{"id":"CVE-2026-12624","state":"PUBLISHED","title":"Vault vulnerable to LIST authorization bypass via trailing-slash strip","description":"Vault’s ACL policy engine did not consistently enforce a wildcard (glob) deny rule against LIST requests made with a trailing slash on the denied path. This may allow a token holding a broader allow rule alongside a narrower wildcard deny rule to enumerate the names of entries beneath a path it was intended to be denied access to. This vulnerability (CVE-2026-12624) is fixed in Vault Community Edition 2.0.3 and Vault Enterprise 2.0.3, 1.21.8, 1.20.13, and 1.19.19.","publishedAt":"2026-08-10T17:00:46.283Z","updatedAt":"2026-08-11T15:52:34.653Z","severity":{"score":4.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","source":"HashiCorp"},"assigner":"HashiCorp","products":["HashiCorp Vault","HashiCorp Vault Enterprise"],"affected":[{"vendor":"HashiCorp","product":"Vault","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"2.0.3","versionType":"semver"}],"platforms":["64 bit","32 bit","x86","ARM","MacOS","Windows","Linux"],"repo":"https://github.com/hashicorp/vault"},{"vendor":"HashiCorp","product":"Vault Enterprise","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"2.0.3","changes":[{"at":"1.21.8","status":"unaffected"},{"at":"1.20.13","status":"unaffected"},{"at":"1.19.19","status":"unaffected"}],"versionType":"semver"}],"platforms":["64 bit","32 bit","x86","ARM","MacOS","Windows","Linux"],"repo":"https://github.com/hashicorp/vault"}],"references":["https://discuss.hashicorp.com/t/hcsec-2026-26-vault-vulnerable-to-list-authorization-bypass-via-trailing-slash-strip/77632"],"weaknesses":["CWE-863"],"ingestedAt":"2026-10-29T20:10:52.580Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/12xxx/CVE-2026-12624.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-12624","state":"PUBLISHED","datePublished":"2026-08-10T17:00:46.283Z","dateUpdated":"2026-08-11T15:52:34.653Z","assignerShortName":"HashiCorp","assignerOrgId":"67fedba0-ff2e-4543-ba5b-aa93e87718cc","dateReserved":"2026-06-18T14:22:11.863Z"},"containers":{"cna":{"title":"Vault vulnerable to LIST authorization bypass via trailing-slash strip","descriptions":[{"lang":"en","value":"Vault’s ACL policy engine did not consistently enforce a wildcard (glob) deny rule against LIST requests made with a trailing slash on the denied path. This may allow a token holding a broader allow rule alongside a narrower wildcard deny rule to enumerate the names of entries beneath a path it was intended to be denied access to. This vulnerability (CVE-2026-12624) is fixed in Vault Community Edition 2.0.3 and Vault Enterprise 2.0.3, 1.21.8, 1.20.13, and 1.19.19."}],"affected":[{"vendor":"HashiCorp","product":"Vault","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"2.0.3","versionType":"semver"}],"platforms":["64 bit","32 bit","x86","ARM","MacOS","Windows","Linux"],"repo":"https://github.com/hashicorp/vault"},{"vendor":"HashiCorp","product":"Vault Enterprise","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"2.0.3","changes":[{"at":"1.21.8","status":"unaffected"},{"at":"1.20.13","status":"unaffected"},{"at":"1.19.19","status":"unaffected"}],"versionType":"semver"}],"platforms":["64 bit","32 bit","x86","ARM","MacOS","Windows","Linux"],"repo":"https://github.com/hashicorp/vault"}],"references":[{"url":"https://discuss.hashicorp.com/t/hcsec-2026-26-vault-vulnerable-to-list-authorization-bypass-via-trailing-slash-strip/77632"}],"metrics":[{"cvssV3_1":{"baseScore":4.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-863","description":"CWE-863: Incorrect Authorization","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"HashiCorp","orgId":"67fedba0-ff2e-4543-ba5b-aa93e87718cc","dateUpdated":"2026-08-11T14:17:45.113Z"},"credits":[{"lang":"en","value":"This issue was reported to HashiCorp by Mike Cole of Redpath Security."}],"impacts":[{"capecId":"CAPEC-127","descriptions":[{"lang":"en","value":"CAPEC-127: Directory Indexing"}]}],"source":{"advisory":"HCSEC-2026-26","discovery":"EXTERNAL"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-11T15:51:16.224011Z","id":"CVE-2026-12624","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-11T15:52:34.653Z"}}]}}}