{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-14199","assignerOrgId":"57da9224-a3e2-4646-9d0e-c4dc2e05e7da","state":"PUBLISHED","assignerShortName":"GRAFANA","dateReserved":"2026-06-30T09:16:17.958Z","datePublished":"2026-09-02T16:06:28.165Z","dateUpdated":"2026-09-03T08:07:46.925Z"},"containers":{"cna":{"providerMetadata":{"orgId":"57da9224-a3e2-4646-9d0e-c4dc2e05e7da","shortName":"GRAFANA","dateUpdated":"2026-09-03T08:07:46.925Z"},"datePublic":"2026-09-02T09:00:00.000Z","title":"Session takeover via Auth Proxy cache key collision","descriptions":[{"lang":"en","value":"Only self-managed Grafana instances with Auth Proxy authentication and identity caching enabled (sync_ttl greater than zero) are affected. The Auth Proxy cache key concatenated the username and forwarded identity attributes without a delimiter, so distinct identities could collide on one key. An authenticated user who shapes their own attributes to collide with a higher-privileged user's, while that user's cache entry is live, is authenticated as that user, up to Administrator (authentication bypass by spoofing)."}],"affected":[{"vendor":"Grafana","product":"Grafana Enterprise","defaultStatus":"unaffected","versions":[{"version":"11.0.0","status":"affected","versionType":"semver","lessThanOrEqual":"11.6.17"},{"version":"12.0.0","status":"affected","versionType":"semver","lessThanOrEqual":"12.2.11"},{"version":"12.3.0","status":"affected","versionType":"semver","lessThanOrEqual":"12.3.11"},{"version":"12.4.0","status":"affected","versionType":"semver","lessThanOrEqual":"12.4.9"},{"version":"13.0.0","status":"affected","versionType":"semver","lessThanOrEqual":"13.0.7"},{"version":"13.1.0","status":"affected","versionType":"semver","lessThanOrEqual":"13.1.4"},{"version":"13.2.0","status":"affected","versionType":"semver","lessThanOrEqual":"13.2.0"}]},{"vendor":"Grafana","product":"Grafana OSS","defaultStatus":"unaffected","versions":[{"version":"11.0.0","status":"affected","versionType":"semver","lessThanOrEqual":"11.6.17"},{"version":"12.0.0","status":"affected","versionType":"semver","lessThanOrEqual":"12.2.11"},{"version":"12.3.0","status":"affected","versionType":"semver","lessThanOrEqual":"12.3.11"},{"version":"12.4.0","status":"affected","versionType":"semver","lessThanOrEqual":"12.4.9"},{"version":"13.0.0","status":"affected","versionType":"semver","lessThanOrEqual":"13.0.7"},{"version":"13.1.0","status":"affected","versionType":"semver","lessThanOrEqual":"13.1.4"},{"version":"13.2.0","status":"affected","versionType":"semver","lessThanOrEqual":"13.2.0"}]}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-290","cweId":"CWE-290","type":"CWE"}]},{"descriptions":[{"lang":"en","description":"CWE-1023","cweId":"CWE-1023","type":"CWE"}]},{"descriptions":[{"lang":"en","description":"CWE-863","cweId":"CWE-863","type":"CWE"}]}],"references":[{"url":"https://grafana.com/security/security-advisories/cve-2026-14199","tags":["vendor-advisory"]}],"metrics":[{"cvssV3_1":{"version":"3.1","baseScore":7.1,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L"}}],"credits":[{"lang":"en","value":"rebelarch (Researcher)","type":"finder"}],"source":{"discovery":"BUG_BOUNTY"},"x_generator":{"engine":"cvelib 1.8.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-02T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-14199"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-03T03:56:40.337Z"}}]}}