{"id":"CVE-2026-4525","revision":"f41c6320f68c425991128b2e30280acf","records":[{"revision":"f41c6320f68c425991128b2e30280acf","observedAt":"2026-10-25T10:17:33.838+00:00","statement":{"source":"nvd","id":"CVE-2026-4525","aliases":[],"title":"If a Vault auth mount is configured to pass through the \"Authorization\" header, and the \"Authorization\" header is used to authenticate to Vault, Vault forwarded the Vault token to the auth plugin backend. Fixed in 2.0.0, 1.21.5, 1.20.10, an…","description":"If a Vault auth mount is configured to pass through the \"Authorization\" header, and the \"Authorization\" header is used to authenticate to Vault, Vault forwarded the Vault token to the auth plugin backend. Fixed in 2.0.0, 1.21.5, 1.20.10, and 1.19.16.","state":0,"publishedAt":"2026-04-17T04:16:09.997+00:00","modifiedAt":"2026-07-15T02:22:42.253+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security@hashicorp.com · Secondary","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.5,"severity":"HIGH"},{"system":"CVSS 3.1 · nvd@nist.gov · Primary","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8,"severity":"HIGH"},{"system":"CVSS 3.1 · 0b0ca135-0b70-47e7-9f44-1890c2a1c46c · Secondary","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.5,"severity":"HIGH"}],"references":["https://discuss.hashicorp.com/t/hcsec-2026-07-vault-may-expose-tokens-to-auth-plugins-due-to-incorrect-header-sanitization/77344","https://access.redhat.com/security/cve/CVE-2026-4525","https://bugzilla.redhat.com/show_bug.cgi?id=2459107","https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-4525.json"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-4525","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Modified","weaknesses":["CWE-201"],"productCriteria":["cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*","cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:*"],"sourceDates":{"published":"2026-04-17T04:16:09.997","lastModified":"2026-07-15T02:22:42.253"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-4525","identifiers":["CVE-2026-4525"]},"retained":false,"historicalAffected":[]}],"coverage":[]}