{
    "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-2026-27009",
        "tracking": {
            "current_release_date": "2026-03-23T02:53:35.902002Z",
            "generator": {
                "date": "2026-02-17T15:00:00Z",
                "engine": {
                    "name": "V.E.L.M.A",
                    "version": "1.7"
                }
            },
            "id": "CVE-2026-27009",
            "initial_release_date": "2026-02-18T23:39:43.998242Z",
            "revision_history": [
                {
                    "date": "2026-02-18T23:39:43.998242Z",
                    "number": "1",
                    "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (5).| CWES updated (1)."
                },
                {
                    "date": "2026-02-18T23:39:52.213652Z",
                    "number": "2",
                    "summary": "NCSC Score created."
                },
                {
                    "date": "2026-02-19T10:26:53.623358Z",
                    "number": "3",
                    "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (1).| References created (4).| CWES updated (1)."
                },
                {
                    "date": "2026-02-19T10:26:57.186590Z",
                    "number": "4",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-02-19T12:07:56.406754Z",
                    "number": "5",
                    "summary": "Source connected.| CVE status created. (valid)| Products connected (1).| References created (8)."
                },
                {
                    "date": "2026-02-19T12:07:59.101876Z",
                    "number": "6",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-02-19T23:38:54.457383Z",
                    "number": "7",
                    "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (1).| References created (4).| CWES updated (1)."
                },
                {
                    "date": "2026-02-19T23:38:57.060079Z",
                    "number": "8",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-02-20T00:25:26.476849Z",
                    "number": "9",
                    "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (4).| CWES updated (1)."
                },
                {
                    "date": "2026-02-20T00:25:30.709333Z",
                    "number": "10",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-02-20T04:28:34.762054Z",
                    "number": "11",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-02-20T14:13:27.787721Z",
                    "number": "12",
                    "summary": "Source created.| CVE status created. (valid)| EPSS created."
                },
                {
                    "date": "2026-02-20T14:13:30.872990Z",
                    "number": "13",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-02-20T17:04:12.733888Z",
                    "number": "14",
                    "summary": "Unknown change."
                },
                {
                    "date": "2026-02-20T17:04:23.995718Z",
                    "number": "15",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-02-20T17:39:38.024892Z",
                    "number": "16",
                    "summary": "References created (1)."
                },
                {
                    "date": "2026-02-20T18:27:11.086745Z",
                    "number": "17",
                    "summary": "Products connected (1).| Product Identifiers created (1).| Exploits created (1)."
                },
                {
                    "date": "2026-02-20T18:27:17.012878Z",
                    "number": "18",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-02-20T18:35:48.335560Z",
                    "number": "19",
                    "summary": "References created (1)."
                },
                {
                    "date": "2026-02-26T03:23:08.861408Z",
                    "number": "20",
                    "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (6).| CWES updated (1)."
                },
                {
                    "date": "2026-03-02T18:56:10.953430Z",
                    "number": "21",
                    "summary": "Products connected (51)."
                },
                {
                    "date": "2026-03-02T18:56:17.530756Z",
                    "number": "22",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-03-03T06:45:55.590874Z",
                    "number": "23",
                    "summary": "Products removed (51)."
                },
                {
                    "date": "2026-03-20T09:42:49.049745Z",
                    "number": "24",
                    "summary": "Source connected.| CVE status created. (valid)| EPSS created."
                }
            ],
            "status": "interim",
            "version": "24"
        }
    },
    "product_tree": {
        "branches": [
            {
                "branches": [
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/<2026.2.15",
                                "product": {
                                    "name": "vers:unknown/<2026.2.15",
                                    "product_id": "CSAFPID-5628216"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "OpenClaw"
                    }
                ],
                "category": "vendor",
                "name": "Open Source"
            },
            {
                "branches": [
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/<2026.2.15",
                                "product": {
                                    "name": "vers:unknown/<2026.2.15",
                                    "product_id": "CSAFPID-5642549",
                                    "product_identification_helper": {
                                        "cpe": "cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*"
                                    }
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/>=0|<2026.2.15",
                                "product": {
                                    "name": "vers:unknown/>=0|<2026.2.15",
                                    "product_id": "CSAFPID-5633210"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "openclaw"
                    }
                ],
                "category": "vendor",
                "name": "openclaw"
            }
        ]
    },
    "vulnerabilities": [
        {
            "cve": "CVE-2026-27009",
            "cwe": {
                "id": "CWE-79",
                "name": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"
            },
            "notes": [
                {
                    "category": "description",
                    "text": "## Summary\nStored XSS in the OpenClaw Control UI when rendering assistant identity (name/avatar) into an inline `<script>` tag without script-context-safe escaping. A crafted value containing `</script>` could break out of the script tag and execute attacker-controlled JavaScript in the Control UI origin.\n\n## Affected Packages / Versions\n- Package: `openclaw` (npm)\n- Affected versions: `<= 2026.2.14`\n- Fixed in: `>= 2026.2.15` (next release; fix is already merged on `main`)\n\n## Details\nThe gateway Control UI HTML response previously injected `assistantName` and `assistantAvatar` directly into an inline `<script>` block using `JSON.stringify(...)`. `JSON.stringify` does not prevent `</script>` from terminating the script element, enabling stored XSS if an operator/admin sets the assistant identity to a malicious string.\n\nOpenClaw’s Control UI is intended for local use only (see `SECURITY.md`); this advisory’s CVSS reflects a loopback-only/local-access deployment assumption.\n\n## Impact\nAn attacker with the ability to set assistant identity values (config or agent identity) could cause JavaScript execution for Control UI visitors, enabling token/session theft and privileged actions in the UI.\n\n## Fix\n- Removed inline script injection and serve bootstrap config from a JSON endpoint.\n- Added a restrictive Content Security Policy for the Control UI (`script-src 'self'`, no inline scripts).\n\n## Fix Commit(s)\n- `adc818db4a4b3b8d663e7674ef20436947514e1b`\n- `3b4096e02e7e335f99f5986ec1bd566e90b14a7e`\n\n## Release Process Note\nThis advisory pre-sets the patched version to the planned next release (`2026.2.15`). Once that version is published to npm, this advisory can be published without further edits.\n\nThanks @Adam55A-code for reporting.",
                    "title": "github - https://github.com/advisories/GHSA-37gc-85xm-2ww6"
                },
                {
                    "category": "description",
                    "text": "## Summary\nStored XSS in the OpenClaw Control UI when rendering assistant identity (name/avatar) into an inline `<script>` tag without script-context-safe escaping. A crafted value containing `</script>` could break out of the script tag and execute attacker-controlled JavaScript in the Control UI origin.\n\n## Affected Packages / Versions\n- Package: `openclaw` (npm)\n- Affected versions: `<= 2026.2.14`\n- Fixed in: `>= 2026.2.15` (next release; fix is already merged on `main`)\n\n## Details\nThe gateway Control UI HTML response previously injected `assistantName` and `assistantAvatar` directly into an inline `<script>` block using `JSON.stringify(...)`. `JSON.stringify` does not prevent `</script>` from terminating the script element, enabling stored XSS if an operator/admin sets the assistant identity to a malicious string.\n\nOpenClaw’s Control UI is intended for local use only (see `SECURITY.md`); this advisory’s CVSS reflects a loopback-only/local-access deployment assumption.\n\n## Impact\nAn attacker with the ability to set assistant identity values (config or agent identity) could cause JavaScript execution for Control UI visitors, enabling token/session theft and privileged actions in the UI.\n\n## Fix\n- Removed inline script injection and serve bootstrap config from a JSON endpoint.\n- Added a restrictive Content Security Policy for the Control UI (`script-src 'self'`, no inline scripts).\n\n## Fix Commit(s)\n- `adc818db4a4b3b8d663e7674ef20436947514e1b`\n- `3b4096e02e7e335f99f5986ec1bd566e90b14a7e`\n\n## Release Process Note\nThis advisory pre-sets the patched version to the planned next release (`2026.2.15`). Once that version is published to npm, this advisory can be published without further edits.\n\nThanks @Adam55A-code for reporting.",
                    "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/npm%2FGHSA-37gc-85xm-2ww6.json?alt=media"
                },
                {
                    "category": "description",
                    "text": "OpenClaw is a personal AI assistant. Prior to version 2026.2.15, a atored XSS issue in the OpenClaw Control UI when rendering assistant identity (name/avatar) into an inline `<script>` tag without script-context-safe escaping. A crafted value containing `</script>` could break out of the script tag and execute attacker-controlled JavaScript in the Control UI origin. Version 2026.2.15 removed inline script injection and serve bootstrap config from a JSON endpoint and added a restrictive Content Security Policy for the Control UI (`script-src 'self'`, no inline scripts).",
                    "title": "cveprojectv5 - https://www.cve.org/CVERecord?id=CVE-2026-27009"
                },
                {
                    "category": "description",
                    "text": "OpenClaw is a personal AI assistant. Prior to version 2026.2.15, a atored XSS issue in the OpenClaw Control UI when rendering assistant identity (name/avatar) into an inline `<script>` tag without script-context-safe escaping. A crafted value containing `</script>` could break out of the script tag and execute attacker-controlled JavaScript in the Control UI origin. Version 2026.2.15 removed inline script injection and serve bootstrap config from a JSON endpoint and added a restrictive Content Security Policy for the Control UI (`script-src 'self'`, no inline scripts).",
                    "title": "nvd - https://nvd.nist.gov/vuln/detail/CVE-2026-27009"
                },
                {
                    "category": "description",
                    "text": "OpenClaw is a personal AI assistant. Prior to version 2026.2.15, a atored XSS issue in the OpenClaw Control UI when rendering assistant identity (name/avatar) into an inline `<script>` tag without script-context-safe escaping. A crafted value containing `</script>` could break out of the script tag and execute attacker-controlled JavaScript in the Control UI origin. Version 2026.2.15 removed inline script injection and serve bootstrap config from a JSON endpoint and added a restrictive Content Security Policy for the Control UI (`script-src 'self'`, no inline scripts).",
                    "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/GIT%2FCVE-2026-27009.json?alt=media"
                },
                {
                    "category": "other",
                    "text": "0.00022",
                    "title": "EPSS"
                },
                {
                    "category": "other",
                    "text": "4.6",
                    "title": "NCSC Score"
                },
                {
                    "category": "other",
                    "text": "There is product data available from source Certbundde",
                    "title": "NCSC Score top increasing factors"
                },
                {
                    "category": "other",
                    "text": "The value of the most recent EPSS score, There is exploit data available from source Nvd",
                    "title": "NCSC Score top decreasing factors"
                }
            ],
            "product_status": {
                "known_affected": [
                    "CSAFPID-5633210",
                    "CSAFPID-5628216",
                    "CSAFPID-5642549"
                ]
            },
            "references": [
                {
                    "category": "external",
                    "summary": "Source - github",
                    "url": "https://github.com/advisories/GHSA-37gc-85xm-2ww6"
                },
                {
                    "category": "external",
                    "summary": "Source raw - github",
                    "url": "https://api.github.com/advisories/GHSA-37gc-85xm-2ww6"
                },
                {
                    "category": "external",
                    "summary": "Source - osv",
                    "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/npm%2FGHSA-37gc-85xm-2ww6.json?alt=media"
                },
                {
                    "category": "external",
                    "summary": "Source - certbundde",
                    "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0459.json"
                },
                {
                    "category": "external",
                    "summary": "Source - cveprojectv5",
                    "url": "https://www.cve.org/CVERecord?id=CVE-2026-27009"
                },
                {
                    "category": "external",
                    "summary": "Source raw - cveprojectv5",
                    "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/27xxx/CVE-2026-27009.json"
                },
                {
                    "category": "external",
                    "summary": "Source - nvd",
                    "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-27009"
                },
                {
                    "category": "external",
                    "summary": "Source raw - nvd",
                    "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-27009"
                },
                {
                    "category": "external",
                    "summary": "Source - first",
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-27009"
                },
                {
                    "category": "external",
                    "summary": "Source raw - first",
                    "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0"
                },
                {
                    "category": "external",
                    "summary": "Source - osv",
                    "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/GIT%2FCVE-2026-27009.json?alt=media"
                },
                {
                    "category": "external",
                    "summary": "Source - first",
                    "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0"
                },
                {
                    "category": "external",
                    "summary": "Reference - cveprojectv5; github; nvd; osv",
                    "url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-37gc-85xm-2ww6"
                },
                {
                    "category": "external",
                    "summary": "Reference - cveprojectv5; github; nvd; osv",
                    "url": "https://github.com/openclaw/openclaw/commit/3b4096e02e7e335f99f5986ec1bd566e90b14a7e"
                },
                {
                    "category": "external",
                    "summary": "Reference - cveprojectv5; github; nvd; osv",
                    "url": "https://github.com/openclaw/openclaw/commit/adc818db4a4b3b8d663e7674ef20436947514e1b"
                },
                {
                    "category": "external",
                    "summary": "Reference - cveprojectv5; github; nvd; osv",
                    "url": "https://github.com/openclaw/openclaw/releases/tag/v2026.2.15"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde; github",
                    "url": "https://github.com/advisories/GHSA-37gc-85xm-2ww6"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0459.json"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0459"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://github.com/advisories/GHSA-2qj5-gwg2-xwc4"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://github.com/advisories/GHSA-chf7-jq6g-qrwv"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://github.com/advisories/GHSA-h7f7-89mm-pqh6"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://github.com/advisories/GHSA-w235-x559-36mg"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://github.com/advisories/GHSA-xxvh-5hwj-42pp"
                },
                {
                    "category": "external",
                    "summary": "Reference - github; osv",
                    "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-27009"
                },
                {
                    "category": "external",
                    "summary": "Reference - osv",
                    "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27009.json"
                }
            ],
            "scores": [
                {
                    "cvss_v3": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N",
                        "baseScore": 5.8,
                        "baseSeverity": "MEDIUM"
                    },
                    "products": [
                        "CSAFPID-5628216",
                        "CSAFPID-5633210",
                        "CSAFPID-5642549"
                    ]
                }
            ],
            "title": "CVE-2026-27009"
        }
    ]
}