{ "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-2026-21725", "tracking": { "current_release_date": "2026-03-26T20:39:24.754642Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-21725", "initial_release_date": "2026-02-25T12:05:39.613761Z", "revision_history": [ { "date": "2026-02-25T12:05:39.613761Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Products created (1).| References created (3)." }, { "date": "2026-02-25T12:05:41.726523Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-02-25T13:25:12.380766Z", "number": "3", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (1)." }, { "date": "2026-02-25T13:25:15.240050Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-02-25T13:38:39.873422Z", "number": "5", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (1).| References created (1)." }, { "date": "2026-02-25T13:38:45.399016Z", "number": "6", "summary": "NCSC Score updated." }, { "date": "2026-02-25T17:22:26.972725Z", "number": "7", "summary": "Unknown change." }, { "date": "2026-02-26T00:27:29.850679Z", "number": "8", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (10).| Product Identifiers created (5).| References created (3).| CWES updated (1).| Vendor_assessment created." }, { "date": "2026-02-26T00:27:42.390821Z", "number": "9", "summary": "NCSC Score updated." }, { "date": "2026-02-26T14:14:56.541556Z", "number": "10", "summary": "Source created.| CVE status created. (valid)| EPSS created." }, { "date": "2026-02-26T14:15:13.966453Z", "number": "11", "summary": "NCSC Score updated." }, { "date": "2026-02-27T04:25:21.576964Z", "number": "12", "summary": "Products created (1).| Product Identifiers created (1).| CWES updated (1)." }, { "date": "2026-02-27T04:25:24.734022Z", "number": "13", "summary": "NCSC Score updated." }, { "date": "2026-03-02T12:07:11.137284Z", "number": "14", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (1).| References created (2)." }, { "date": "2026-03-02T12:07:14.365833Z", "number": "15", "summary": "NCSC Score updated." }, { "date": "2026-03-12T10:04:44.705413Z", "number": "16", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (1)." }, { "date": "2026-03-12T10:04:47.027460Z", "number": "17", "summary": "NCSC Score updated." }, { "date": "2026-03-20T10:03:03.630736Z", "number": "18", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-20T10:03:08.263397Z", "number": "19", "summary": "NCSC Score updated." }, { "date": "2026-03-26T20:39:21.061071Z", "number": "20", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (1).| References created (1).| Unknown change." }, { "date": "2026-03-26T20:39:23.861977Z", "number": "21", "summary": "NCSC Score updated." } ], "status": "interim", "version": "21" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:semver/v11.0.0|=11.0.0|<12.4.1", "product": { "name": "vers:unknown/>=11.0.0|<12.4.1", "product_id": "CSAFPID-5734098", "product_identification_helper": { "cpe": "cpe:2.3:a:grafana:grafana:*:-:*:*:enterprise:*:*:*" } } } ], "category": "product_name", "name": "Grafana" } ], "category": "vendor", "name": "Grafana" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/7", "product": { "name": "vers:rpm/7", "product_id": "CSAFPID-1441094", "product_identification_helper": { "cpe": "cpe:/a:redhat:ceph_storage:7" } } } ], "category": "product_name", "name": "Red Hat Ceph Storage 7" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/8", "product": { "name": "vers:rpm/8", "product_id": "CSAFPID-1455873", "product_identification_helper": { "cpe": "cpe:/a:redhat:ceph_storage:8" } } } ], "category": "product_name", "name": "Red Hat Ceph Storage 8" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/10", "product": { "name": "vers:rpm/10", "product_id": "CSAFPID-2858634", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:10" } } } ], "category": "product_name", "name": "Red Hat Enterprise Linux 10" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/8", "product": { "name": "vers:rpm/8", "product_id": "CSAFPID-1439317", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:8" } } } ], "category": "product_name", "name": "Red Hat Enterprise Linux 8" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/9", "product": { "name": "vers:rpm/9", "product_id": "CSAFPID-1439319", "product_identification_helper": { "cpe": "cpe:/a:redhat:enterprise_linux:9" } } } ], "category": "product_name", "name": "Red Hat Enterprise Linux 9" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-2868420" } } ], "category": "product_name", "name": "grafana" } ], "category": "product_family", "name": "Red Hat Enterprise Linux 10" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-1663145" } } ], "category": "product_name", "name": "grafana" } ], "category": "product_family", "name": "Red Hat Enterprise Linux 8" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-1496261" } } ], "category": "product_name", "name": "grafana" } ], "category": "product_family", "name": "Red Hat Enterprise Linux 9" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-1441095" } } ], "category": "product_name", "name": "grafana-rhel9" } ], "category": "product_family", "name": "Red Hat Ceph Storage 7" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-1496255" } } ], "category": "product_name", "name": "grafana-rhel9" } ], "category": "product_family", "name": "Red Hat Ceph Storage 8" } ], "category": "vendor", "name": "Red Hat" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/>=11.0.0|<12.4.1", "product": { "name": "vers:unknown/>=11.0.0|<12.4.1", "product_id": "CSAFPID-5753153" } } ], "category": "product_name", "name": "grafana" } ], "category": "vendor", "name": "Bitnami" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-21725", "cwe": { "id": "CWE-367", "name": "Time-of-check Time-of-use (TOCTOU) Race Condition" }, "notes": [ { "category": "description", "text": "A time-of-create-to-time-of-use (TOCTOU) vulnerability lets recently deleted-then-recreated data sources be re-deleted without permission to do so.\n\nThis requires several very stringent conditions to be met:\n\n- The attacker must have admin access to the specific datasource prior to its first deletion.\n- Upon deletion, all steps within the attack must happen within the next 30 seconds and on the same pod of Grafana.\n- The attacker must delete the datasource, then someone must recreate it.\n- The new datasource must not have the attacker as an admin.\n- The new datasource must have the same UID as the prior datasource. These are randomised by default.\n- The datasource can now be re-deleted by the attacker.\n- Once 30 seconds are up, the attack is spent and cannot be repeated.\n- No datasource with any other UID can be attacked.", "title": "nvd - https://nvd.nist.gov/vuln/detail/CVE-2026-21725" }, { "category": "description", "text": "A time-of-create-to-time-of-use (TOCTOU) vulnerability lets recently deleted-then-recreated data sources be re-deleted without permission to do so.\n\nThis requires several very stringent conditions to be met:\n\n- The attacker must have admin access to the specific datasource prior to its first deletion.\n- Upon deletion, all steps within the attack must happen within the next 30 seconds and on the same pod of Grafana.\n- The attacker must delete the datasource, then someone must recreate it.\n- The new datasource must not have the attacker as an admin.\n- The new datasource must have the same UID as the prior datasource. These are randomised by default.\n- The datasource can now be re-deleted by the attacker.\n- Once 30 seconds are up, the attack is spent and cannot be repeated.\n- No datasource with any other UID can be attacked.", "title": "cveprojectv5 - https://www.cve.org/CVERecord?id=CVE-2026-21725" }, { "category": "description", "text": "A flaw was found in Grafana. This vulnerability, known as a time-of-create-to-time-of-use (TOCTOU) issue, allows an attacker to delete a data source without proper authorization. For this to occur, the attacker must have previously managed the data source, and it must be recreated with the same unique identifier (UID) within a 30-second window on the same Grafana server. The consequence is the unauthorized deletion of a data source, which can lead to a denial of service for that specific resource.", "title": "redhat - https://access.redhat.com/security/cve/CVE-2026-21725" }, { "category": "description", "text": "A time-of-create-to-time-of-use (TOCTOU) vulnerability lets recently deleted-then-recreated data sources be re-deleted without permission to do so.\n\nThis requires several very stringent conditions to be met:\n\n- The attacker must have admin access to the specific datasource prior to its first deletion.\n- Upon deletion, all steps within the attack must happen within the next 30 seconds and on the same pod of Grafana.\n- The attacker must delete the datasource, then someone must recreate it.\n- The new datasource must not have the attacker as an admin.\n- The new datasource must have the same UID as the prior datasource. These are randomised by default.\n- The datasource can now be re-deleted by the attacker.\n- Once 30 seconds are up, the attack is spent and cannot be repeated.\n- No datasource with any other UID can be attacked.", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/Bitnami%2FBIT-grafana-2026-21725.json?alt=media" }, { "category": "description", "text": "A time-of-create-to-time-of-use (TOCTOU) vulnerability lets recently deleted-then-recreated data sources be re-deleted without permission to do so.\n\nThis requires several very stringent conditions to be met:\n\n- The attacker must have admin access to the specific datasource prior to its first deletion.\n- Upon deletion, all steps within the attack must happen within the next 30 seconds and on the same pod of Grafana.\n- The attacker must delete the datasource, then someone must recreate it.\n- The new datasource must not have the attacker as an admin.\n- The new datasource must have the same UID as the prior datasource. These are randomised by default.\n- The datasource can now be re-deleted by the attacker.\n- Once 30 seconds are up, the attack is spent and cannot be repeated.\n- No datasource with any other UID can be attacked.", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/GIT%2FCVE-2026-21725.json?alt=media" }, { "category": "description", "text": "A time-of-create-to-time-of-use (TOCTOU) vulnerability lets recently deleted-then-recreated data sources be re-deleted without permission to do so.\n\nThis requires several very stringent conditions to be met:\n\n- The attacker must have admin access to the specific datasource prior to its first deletion.\n- Upon deletion, all steps within the attack must happen within the next 30 seconds and on the same pod of Grafana.\n- The attacker must delete the datasource, then someone must recreate it.\n- The new datasource must not have the attacker as an admin.\n- The new datasource must have the same UID as the prior datasource. These are randomised by default.\n- The datasource can now be re-deleted by the attacker.\n- Once 30 seconds are up, the attack is spent and cannot be repeated.\n- No datasource with any other UID can be attacked.", "title": "cveprojectv5 - https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/21xxx/CVE-2026-21725.json" }, { "category": "other", "text": "0.00025", "title": "EPSS" }, { "category": "other", "text": "5.7", "title": "NCSC Score" }, { "category": "other", "text": "There is product data available from source Nvd, There is product data available from source Certbundde", "title": "NCSC Score top increasing factors" }, { "category": "other", "text": "The value of the most recent CVSS (V3) score, The value of the most recent EPSS score", "title": "NCSC Score top decreasing factors" }, { "category": "details", "text": "Severity: 1\n", "title": "Vendor assessment" } ], "product_status": { "known_affected": [ "CSAFPID-5702112", "CSAFPID-5702431", "CSAFPID-1439317", "CSAFPID-1439319", "CSAFPID-1441094", "CSAFPID-1441095", "CSAFPID-1455873", "CSAFPID-1496255", "CSAFPID-1496261", "CSAFPID-1663145", "CSAFPID-2858634", "CSAFPID-2868420", "CSAFPID-5734098", "CSAFPID-5753153" ] }, "references": [ { "category": "external", "summary": "Source - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0510.json" }, { "category": "external", "summary": "Source - nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-21725" }, { "category": "external", "summary": "Source raw - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-21725" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://www.cve.org/CVERecord?id=CVE-2026-21725" }, { "category": "external", "summary": "Source raw - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/21xxx/CVE-2026-21725.json" }, { "category": "external", "summary": "Source - redhat", "url": "https://access.redhat.com/security/cve/CVE-2026-21725" }, { "category": "external", "summary": "Source raw - redhat", "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-21725.json" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-21725" }, { "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/Bitnami%2FBIT-grafana-2026-21725.json?alt=media" }, { "category": "external", "summary": "Source - osv", "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/GIT%2FCVE-2026-21725.json?alt=media" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/21xxx/CVE-2026-21725.json" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0510.json" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0510" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://grafana.com/security/security-advisories/cve-2026-21725/" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd; osv; redhat", "url": "https://grafana.com/security/security-advisories/cve-2026-21725" }, { "category": "external", "summary": "Reference - redhat", "url": "https://www.cve.org/CVERecord?id=CVE-2026-21725" }, { "category": "external", "summary": "Reference - osv; redhat", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-21725" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:L", "baseScore": 2.6, "baseSeverity": "LOW" }, "products": [ "CSAFPID-1439317", "CSAFPID-1439319", "CSAFPID-1441094", "CSAFPID-1441095", "CSAFPID-1455873", "CSAFPID-1496255", "CSAFPID-1496261", "CSAFPID-1663145", "CSAFPID-2858634", "CSAFPID-2868420", "CSAFPID-5702112", "CSAFPID-5702431", "CSAFPID-5734098", "CSAFPID-5753153" ] } ], "title": "CVE-2026-21725" } ] }