{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-45808", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-13T08:19:32.604Z", "datePublished": "2026-08-07T21:15:00.733Z", "dateUpdated": "2026-08-07T21:15:00.733Z"}, "containers": {"cna": {"title": "OpenBao's cross-namespace lease revocation via legacy sys/revoke path bypasses ACL", "problemTypes": [{"descriptions": [{"cweId": "CWE-863", "lang": "en", "description": "CWE-863: Incorrect Authorization", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 7.1, "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/openbao/openbao/security/advisories/GHSA-v8v8-cm84-m686", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/openbao/openbao/security/advisories/GHSA-v8v8-cm84-m686"}, {"name": "https://github.com/openbao/openbao/pull/3152", "tags": ["x_refsource_MISC"], "url": "https://github.com/openbao/openbao/pull/3152"}, {"name": "https://github.com/openbao/openbao/commit/c0495646b41cea0e3f5a1030132e9cf5c2375b5c", "tags": ["x_refsource_MISC"], "url": "https://github.com/openbao/openbao/commit/c0495646b41cea0e3f5a1030132e9cf5c2375b5c"}, {"name": "https://github.com/openbao/openbao/releases/tag/v2.5.4", "tags": ["x_refsource_MISC"], "url": "https://github.com/openbao/openbao/releases/tag/v2.5.4"}], "affected": [{"vendor": "openbao", "product": "openbao", "versions": [{"version": "< 2.5.4", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-07T21:15:00.733Z"}, "descriptions": [{"lang": "en", "value": "OpenBao is an open source identity-based secrets management system. Prior to version 2.5.4, OpenBao's namespaces provide multi-tenant separation. A tenant who intentionally leaks lease identifiers can have their lease and underlying credential revoked or renewed by a user in another tenant via the legacy, undocumented `sys/revoke` and `sys/renew` endpoints. This is fixed in OpenBao v2.5.4."}], "source": {"advisory": "GHSA-v8v8-cm84-m686", "discovery": "UNKNOWN"}}}}

{}

{}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2.5.4)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "openbao", "source": "cna", "vendor": "openbao"}, "product": "openbao", "vendor": "openbao"}], "created": "2026-08-07T22:30:03.062426+00:00", "updated": "2026-08-07T23:00:04.695712+00:00", "vendors": ["openbao", "openbao$PRODUCT$openbao"], "weaknesses": ["CWE-863"]}