CVE-2026-126311

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-126311", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-11-10T20:16:44.443Z", "datePublished": "2026-11-13T09:36:18.274Z", "dateUpdated": "2026-11-13T09:36:18.274Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-11-13T09:36:18.274Z"}, "datePublic": "2026-10-26T00:00:00.000Z", "title": "OpenBao before 2.6.5 and 2.7.2 Wildcard Principals in SSH Certificates via Identity Templates", "descriptions": [{"lang": "en", "value": "OpenBao before 2.6.5 and 2.7.x before 2.7.2 does not neutralize wildcard characters in SSH certificate principals rendered from unvalidated external token metadata via identity templates in the SSH secrets engine. Attackers controlling that metadata, typically through a compromised identity provider, can inject '*' to obtain SSH certificates valid for multiple hosts or users."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Improper Neutralization of Wildcards or Matching Symbols", "cweId": "CWE-155", "type": "CWE"}]}], "affected": [{"vendor": "openbao", "product": "openbao", "defaultStatus": "unaffected", "packageURL": "pkg:golang/github.com/openbao/openbao/v2", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "2.6.5"}, {"version": "2.6.5", "status": "unaffected", "versionType": "semver"}, {"version": "2.7.0", "status": "affected", "versionType": "semver", "lessThan": "2.7.2"}, {"version": "2.7.2", "status": "unaffected", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:openbao:openbao:*:*:*:*:*:*:*:*", "versionEndExcluding": "2.6.5"}, {"vulnerable": true, "criteria": "cpe:2.3:a:openbao:openbao:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.7.0", "versionEndExcluding": "2.7.2"}]}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "HIGH", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "HIGH", "subAvailabilityImpact": "NONE", "baseScore": 4.6, "baseSeverity": "MEDIUM"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseScore": 5.8, "baseSeverity": "MEDIUM"}}], "references": [{"url": "https://github.com/openbao/openbao/security/advisories/GHSA-h76r-48x5-36hg", "tags": ["vendor-advisory"], "name": "GitHub Security Advisory (GHSA-h76r-48x5-36hg)"}, {"name": "VulnCheck Advisory: OpenBao before 2.6.5 and 2.7.2 Wildcard Principals in SSH Certificates via Identity Templates", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/openbao-before-2.6.5-and-2.7.2-wildcard-principals-in-ssh-certificates-via-identity-templates"}], "credits": [{"lang": "en", "value": "manus-pi", "type": "reporter"}, {"lang": "en", "value": "cipherboy", "type": "remediation developer"}, {"lang": "en", "value": "manus-use", "type": "reporter"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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