{
    "document": {
        "category": "csaf_base",
        "csaf_version": "2.0",
        "distribution": {
            "tlp": {
                "label": "WHITE"
            }
        },
        "lang": "en",
        "notes": [
            {
                "category": "legal_disclaimer",
                "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this portal to enhance access to its information and vulnerabilities. The use of this information is subject to the following terms and conditions:\n\nThe vulnerabilities disclosed in this portal are gathered by NCSC-NL from a variety of open sources, which the user can retrieve from other platforms. NCSC-NL makes every reasonable effort to ensure that the content of this portal is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or real-time keeping up-to-date. NCSC-NL does not control nor guarantee the accuracy, relevance, timeliness or completeness of information obtained from these external sources. The vulnerabilities disclosed in this portal are intended solely for the convenience of professional parties to take appropriate measures to manage the risks posed to the cybersecurity. No rights can be derived from the information provided therein.\n\nNCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of the vulnerabilities disclosed in this portal. This includes damage resulting from the inaccuracy of incompleteness of the information contained in it.\nThe information on this page is subject to Dutch law. All disputes related to or arising from the use of this portal regarding the disclosure of vulnerabilities will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings."
            }
        ],
        "publisher": {
            "category": "coordinator",
            "contact_details": "cert@ncsc.nl",
            "name": "National Cyber Security Centre",
            "namespace": "https://www.ncsc.nl/"
        },
        "title": "CVE-2026-19880",
        "tracking": {
            "current_release_date": "2026-09-16T13:53:30.182615Z",
            "generator": {
                "date": "2026-02-17T15:00:00Z",
                "engine": {
                    "name": "V.E.L.M.A",
                    "version": "1.7"
                }
            },
            "id": "CVE-2026-19880",
            "initial_release_date": "2026-08-14T14:38:48.734863Z",
            "revision_history": [
                {
                    "date": "2026-08-14T14:38:48.734863Z",
                    "number": "1",
                    "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (2).| References created (1).| CWES updated (1)."
                },
                {
                    "date": "2026-08-14T14:38:50.505509Z",
                    "number": "2",
                    "summary": "NCSC Score created."
                },
                {
                    "date": "2026-08-14T15:27:15.673358Z",
                    "number": "3",
                    "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (1).| CWES updated (1)."
                },
                {
                    "date": "2026-08-14T15:27:17.045437Z",
                    "number": "4",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-08-14T15:34:37.826083Z",
                    "number": "5",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-08-14T20:41:29.929388Z",
                    "number": "6",
                    "summary": "Unknown change."
                },
                {
                    "date": "2026-08-15T15:13:55.597106Z",
                    "number": "7",
                    "summary": "Source connected.| CVE status created. (valid)| EPSS created."
                },
                {
                    "date": "2026-08-15T15:14:10.939332Z",
                    "number": "8",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-08-17T12:44:16.644096Z",
                    "number": "9",
                    "summary": "Source created.| CVE status created. (valid)| Description created for source.| Products connected (2)."
                },
                {
                    "date": "2026-08-17T12:44:18.326932Z",
                    "number": "10",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-08-25T15:49:25.069823Z",
                    "number": "11",
                    "summary": "Source connected.| CVE status created. (valid)| EPSS created."
                },
                {
                    "date": "2026-09-01T23:07:43.184406Z",
                    "number": "12",
                    "summary": "Description removed for source.| Products removed (1)."
                },
                {
                    "date": "2026-09-01T23:07:44.533164Z",
                    "number": "13",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-09-02T01:41:09.997083Z",
                    "number": "14",
                    "summary": "Description created for source."
                },
                {
                    "date": "2026-09-02T10:42:13.184147Z",
                    "number": "15",
                    "summary": "EPSS updated."
                },
                {
                    "date": "2026-09-02T23:46:06.289020Z",
                    "number": "16",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-09-03T14:33:53.136164Z",
                    "number": "17",
                    "summary": "EPSS updated."
                },
                {
                    "date": "2026-09-03T18:57:20.077800Z",
                    "number": "18",
                    "summary": "EPSS updated."
                },
                {
                    "date": "2026-09-04T15:43:34.168652Z",
                    "number": "19",
                    "summary": "EPSS updated."
                },
                {
                    "date": "2026-09-05T04:09:42.262761Z",
                    "number": "20",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-09-05T15:41:33.561588Z",
                    "number": "21",
                    "summary": "EPSS updated."
                },
                {
                    "date": "2026-09-06T15:42:56.409315Z",
                    "number": "22",
                    "summary": "EPSS updated."
                },
                {
                    "date": "2026-09-07T15:43:55.755575Z",
                    "number": "23",
                    "summary": "EPSS updated."
                },
                {
                    "date": "2026-09-08T03:57:21.037615Z",
                    "number": "24",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-09-09T07:43:32.142704Z",
                    "number": "25",
                    "summary": "EPSS updated."
                },
                {
                    "date": "2026-09-09T15:54:26.602389Z",
                    "number": "26",
                    "summary": "EPSS updated."
                },
                {
                    "date": "2026-09-10T06:48:36.134043Z",
                    "number": "27",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-09-16T00:25:37.847430Z",
                    "number": "28",
                    "summary": "Source connected.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (1).| Product Remediations created (1).| References created (2)."
                },
                {
                    "date": "2026-09-16T00:25:53.413616Z",
                    "number": "29",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-09-16T12:11:34.352226Z",
                    "number": "30",
                    "summary": "Source connected.| CVE status created. (valid)| Products connected (7).| References created (3)."
                },
                {
                    "date": "2026-09-16T12:11:37.147643Z",
                    "number": "31",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-09-16T13:52:54.758799Z",
                    "number": "32",
                    "summary": "Source connected.| CVE status created. (valid)"
                }
            ],
            "status": "interim",
            "version": "32"
        }
    },
    "product_tree": {
        "branches": [
            {
                "branches": [
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/cloud native core security edge protection proxy 25.2.201",
                                "product": {
                                    "name": "vers:unknown/cloud native core security edge protection proxy 25.2.201",
                                    "product_id": "CSAFPID-9329725",
                                    "product_identification_helper": {
                                        "cpe": "cpe:/a:oracle:communications:cloud_native_core_security_edge_protection_proxy_25.2.201"
                                    }
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/cloud native core security edge protection proxy 26.1.200",
                                "product": {
                                    "name": "vers:unknown/cloud native core security edge protection proxy 26.1.200",
                                    "product_id": "CSAFPID-9329724",
                                    "product_identification_helper": {
                                        "cpe": "cpe:/a:oracle:communications:cloud_native_core_security_edge_protection_proxy_26.1.200"
                                    }
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/metasolv solution module 70.0.0",
                                "product": {
                                    "name": "vers:unknown/metasolv solution module 70.0.0",
                                    "product_id": "CSAFPID-9329722",
                                    "product_identification_helper": {
                                        "cpe": "cpe:/a:oracle:communications:metasolv_solution_module_70.0.0"
                                    }
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/operations monitor 6.1",
                                "product": {
                                    "name": "vers:unknown/operations monitor 6.1",
                                    "product_id": "CSAFPID-9329721",
                                    "product_identification_helper": {
                                        "cpe": "cpe:/a:oracle:communications:operations_monitor_6.1"
                                    }
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/service catalog and design 8.0-8.3",
                                "product": {
                                    "name": "vers:unknown/service catalog and design 8.0-8.3",
                                    "product_id": "CSAFPID-9329720",
                                    "product_identification_helper": {
                                        "cpe": "cpe:/a:oracle:communications:service_catalog_and_design_8.0_-_8.3"
                                    }
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/unified assurance 6.1.1-7.0.0",
                                "product": {
                                    "name": "vers:unknown/unified assurance 6.1.1-7.0.0",
                                    "product_id": "CSAFPID-7942221",
                                    "product_identification_helper": {
                                        "cpe": "cpe:/a:oracle:communications:unified_assurance_6.1.1_-_7.0.0"
                                    }
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/unified assurance 7.0.0",
                                "product": {
                                    "name": "vers:unknown/unified assurance 7.0.0",
                                    "product_id": "CSAFPID-9329723",
                                    "product_identification_helper": {
                                        "cpe": "cpe:/a:oracle:communications:unified_assurance_7.0.0"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "Communications"
                    },
                    {
                        "branches": [
                            {
                                "branches": [
                                    {
                                        "category": "product_version_range",
                                        "name": "vers:oracle/semver/6.1.1-7.0.0",
                                        "product": {
                                            "name": "vers:oracle/semver/6.1.1-7.0.0",
                                            "product_id": "CSAFPID-9028667",
                                            "product_identification_helper": {
                                                "cpe": "cpe:2.3:a:oracle:communications_unified_assurance:6.1.1-7.0.0:*:*:*:*:*:*:*"
                                            }
                                        }
                                    }
                                ],
                                "category": "product_name",
                                "name": "Oracle Communications Unified Assurance"
                            }
                        ],
                        "category": "product_family",
                        "name": "Oracle Communications"
                    }
                ],
                "category": "vendor",
                "name": "Oracle"
            },
            {
                "branches": [
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:maven/0.9.14|<=1.6.2",
                                "product": {
                                    "name": "vers:maven/0.9.14|<=1.6.2",
                                    "product_id": "CSAFPID-8988557"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:maven/1.6.3",
                                "product": {
                                    "name": "vers:maven/1.6.3",
                                    "product_id": "CSAFPID-8988558"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "Logback-classic"
                    }
                ],
                "category": "vendor",
                "name": "QOS.CH Sarl"
            },
            {
                "branches": [
                    {
                        "branches": [
                            {
                                "branches": [
                                    {
                                        "category": "product_version_range",
                                        "name": "vers:deb/unknown",
                                        "product": {
                                            "name": "vers:deb/unknown",
                                            "product_id": "CSAFPID-1397865"
                                        }
                                    }
                                ],
                                "category": "product_name",
                                "name": "logback"
                            }
                        ],
                        "category": "product_family",
                        "name": "bookworm"
                    }
                ],
                "category": "vendor",
                "name": "Debian"
            }
        ]
    },
    "vulnerabilities": [
        {
            "cve": "CVE-2026-19880",
            "cwe": {
                "id": "CWE-22",
                "name": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')"
            },
            "notes": [
                {
                    "category": "description",
                    "text": "Path-traversal vulnerability in QOS.CH Sarl Logback-classic on Java (logback-classic module) allows path-traversal vulnerability. More specifically, an \nMDC-based discriminator value flows unsanitized into a nested \nFileAppender path, letting an attacker who influences that MDC value \n(e.g. via an HTTP header)\n create and append log files outside the intended directory. \n\n\nThis issue affects Logback-classic: from 0.9.14 through 1.6.2.",
                    "title": "cveprojectv5 - https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/19xxx/CVE-2026-19880.json"
                },
                {
                    "category": "description",
                    "text": "Path-traversal vulnerability in QOS.CH Sarl Logback-classic on Java (logback-classic module) allows path-traversal vulnerability. More specifically, an \nMDC-based discriminator value flows unsanitized into a nested \nFileAppender path, letting an attacker who influences that MDC value \n(e.g. via an HTTP header)\n create and append log files outside the intended directory. \n\n\nThis issue affects Logback-classic: from 0.9.14 through 1.6.2.",
                    "title": "nvd - https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-19880"
                },
                {
                    "category": "description",
                    "text": "Path-traversal vulnerability in QOS.CH Sarl Logback-classic on Java (logback-classic module) allows path-traversal vulnerability. More specifically, an  MDC-based discriminator value flows unsanitized into a nested  FileAppender path, letting an attacker who influences that MDC value  (e.g. via an HTTP header)  create and append log files outside the intended directory.    This issue affects Logback-classic: from 0.9.14 through 1.6.2.",
                    "title": "debian - https://security-tracker.debian.org/tracker/CVE-2026-19880"
                },
                {
                    "category": "description",
                    "text": "Vulnerability in the Oracle Communications Unified Assurance product of Oracle Communications (component: Core (logback)).  Supported versions that are affected are 6.1.1-7.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Communications Unified Assurance.  Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of Oracle Communications Unified Assurance accessible data as well as  unauthorized read access to a subset of Oracle Communications Unified Assurance accessible data. CVSS 3.1 Base Score 6.5 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N).",
                    "title": "oracle - https://www.oracle.com/a/tech/docs/security-alerts/cspusep2026csaf.json"
                },
                {
                    "category": "other",
                    "text": "0.00331",
                    "title": "EPSS"
                },
                {
                    "category": "other",
                    "text": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/S:P/AU:N/RE:M/U:Green",
                    "title": "CVSSV4"
                },
                {
                    "category": "other",
                    "text": "6.3",
                    "title": "CVSSV4 base score"
                },
                {
                    "category": "other",
                    "text": "5.6",
                    "title": "NCSC Score"
                },
                {
                    "category": "other",
                    "text": "There is product data available from source Oracle, There is product data available from source Certbundde, VENDOR FIX as product remediation category",
                    "title": "NCSC Score top increasing factors"
                },
                {
                    "category": "other",
                    "text": "Is related to a product by vendor Debian, Is related to (a version of) an uncommon product",
                    "title": "NCSC Score top decreasing factors"
                }
            ],
            "product_status": {
                "known_affected": [
                    "CSAFPID-8988557",
                    "CSAFPID-1397865",
                    "CSAFPID-9028667",
                    "CSAFPID-7942221",
                    "CSAFPID-9329720",
                    "CSAFPID-9329721",
                    "CSAFPID-9329722",
                    "CSAFPID-9329723",
                    "CSAFPID-9329724",
                    "CSAFPID-9329725"
                ],
                "known_not_affected": [
                    "CSAFPID-8988558"
                ]
            },
            "references": [
                {
                    "category": "external",
                    "summary": "Source - first",
                    "url": "https://api.first.org/data/v1/epss"
                },
                {
                    "category": "external",
                    "summary": "Source - cveprojectv5",
                    "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/19xxx/CVE-2026-19880.json"
                },
                {
                    "category": "external",
                    "summary": "Source - nvd",
                    "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-19880"
                },
                {
                    "category": "external",
                    "summary": "Source - debian",
                    "url": "https://security-tracker.debian.org/tracker/CVE-2026-19880"
                },
                {
                    "category": "external",
                    "summary": "Source - ncscclear",
                    "url": "https://vulnerabilities.ncsc.nl/manual/CVE-2026-19880"
                },
                {
                    "category": "external",
                    "summary": "Source - oracle",
                    "url": "https://www.oracle.com/a/tech/docs/security-alerts/cspusep2026csaf.json"
                },
                {
                    "category": "external",
                    "summary": "Source - certbundde",
                    "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-3403.json"
                },
                {
                    "category": "external",
                    "summary": "Source - ncscclear",
                    "url": "https://advisories.ncsc.nl/advisory?id=NCSC-2026-0375"
                },
                {
                    "category": "external",
                    "summary": "Reference - cveprojectv5; nvd",
                    "url": "https://logback.qos.ch/news.html#1.6.3"
                },
                {
                    "category": "external",
                    "summary": "Reference - oracle",
                    "url": "https://www.oracle.com/docs/tech/security-alerts/cspusep2026csaf.json"
                },
                {
                    "category": "external",
                    "summary": "Reference - oracle",
                    "url": "https://www.oracle.com/security-alerts/cspusep2026.html"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-3403.json"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-3403"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://www.oracle.com/security-alerts/cspusep2026.html#AppendixCGBU"
                }
            ],
            "remediations": [
                {
                    "category": "vendor_fix",
                    "details": "Oracle customers with valid support contracts",
                    "product_ids": [
                        "CSAFPID-9028667"
                    ],
                    "url": "https://support.oracle.com/support/?documentId=CPU343"
                }
            ],
            "scores": [
                {
                    "cvss_v3": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
                        "baseScore": 6.5,
                        "baseSeverity": "MEDIUM"
                    },
                    "products": [
                        "CSAFPID-1397865",
                        "CSAFPID-7942221",
                        "CSAFPID-8988557",
                        "CSAFPID-9028667",
                        "CSAFPID-9329720",
                        "CSAFPID-9329721",
                        "CSAFPID-9329722",
                        "CSAFPID-9329723",
                        "CSAFPID-9329724",
                        "CSAFPID-9329725"
                    ]
                }
            ],
            "title": "CVE-2026-19880"
        }
    ]
}