{"id":"CVE-2026-115369","title":"OpenBao 2.5.0 before 2.6.2 PKI allowed_ip_sans_cidr Bypass via CSR IP SANs","summary":"OpenBao from 2.5.0 before 2.6.2 fails to enforce the PKI role allowed_ip_sans_cidr restriction on IP SANs taken from a CSR when use_csr_sans is enabled. Authenticated callers with sign permission can submit a CSR with an out-of-range IP …","severity":"low","cvss":2.2,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N","cvssSource":"cna","cwe":["CWE-863"],"vendor":"openbao","product":"openbao","affected":["openbao >= 2.5.0 < 2.6.2"],"published":"2026-10-22","updated":"2026-10-22","sourceUpdated":"2026-10-22T19:13:40.448Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-115369","references":[{"url":"https://github.com/openbao/openbao/security/advisories/GHSA-g892-p242-8g86","label":"GitHub Security Advisory (GHSA-g892-p242-8g86)"},{"url":"https://www.vulncheck.com/advisories/openbao-2.5.0-before-2.6.2-pki-allowed-ip-sans-cidr-bypass-via-csr-ip-sans","label":"VulnCheck Advisory: OpenBao 2.5.0 before 2.6.2 PKI allowed_ip_sans_cidr Bypass via CSR IP SANs"}],"tags":["cve.org"],"ingestedAt":"2026-10-22T22:00:50.400Z","slug":"CVE-2026-115369","body":"## Overview\n\nOpenBao from 2.5.0 before 2.6.2 fails to enforce the PKI role allowed_ip_sans_cidr restriction on IP SANs taken from a CSR when use_csr_sans is enabled. Authenticated callers with sign permission can submit a CSR with an out-of-range IP SAN to pki/sign/<role> and obtain CA-signed certificates for unauthorized IPs.\n\n## Affected\n\n- `openbao >= 2.5.0 < 2.6.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":12,"depthScoreParts":{"impact":12.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}