CVE-2026-115361 (GCVE-0-2026-115361)
Vulnerability from cvelistv5
Published
2026-10-22 19:13
Modified
2026-10-22 19:13
Severity ?
2.1 (Low) - CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
4.1 (Medium) - CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L
4.1 (Medium) - CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L
VLAI Severity ?
EPSS score ?
CWE
- CWE-863 - Incorrect Authorization
Summary
OpenBao before 2.6.3 contains an ACL bypass vulnerability that silently drops explicit deny rules based on forbidden identity metadata templates within wildcard grants. Attackers whose identity metadata contains wildcard or path segments can access paths that should be denied within the broader wildcard-granted scope.
References
| URL | Tags | |
|---|---|---|
{
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"packageURL": "pkg:golang/github.com/openbao/openbao/v2",
"product": "openbao",
"vendor": "openbao",
"versions": [
{
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"status": "affected",
"version": "0",
"versionType": "semver"
},
{
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"version": "2.6.3",
"versionType": "semver"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
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"versionEndExcluding": "2.6.3",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"credits": [
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"type": "reporter",
"value": "zer0d4y5"
},
{
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"value": "cipherboy"
}
],
"datePublic": "2026-09-23T00:00:00.000Z",
"descriptions": [
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"value": "OpenBao before 2.6.3 contains an ACL bypass vulnerability that silently drops explicit deny rules based on forbidden identity metadata templates within wildcard grants. Attackers whose identity metadata contains wildcard or path segments can access paths that should be denied within the broader wildcard-granted scope."
}
],
"metrics": [
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"attackComplexity": "HIGH",
"attackRequirements": "PRESENT",
"attackVector": "NETWORK",
"baseScore": 2.1,
"baseSeverity": "LOW",
"privilegesRequired": "HIGH",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N",
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"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
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"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L",
"version": "3.1"
},
"format": "CVSS"
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],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-863",
"description": "Incorrect Authorization",
"lang": "en",
"type": "CWE"
}
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}
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"providerMetadata": {
"dateUpdated": "2026-10-22T19:13:36.151Z",
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck"
},
"references": [
{
"name": "GitHub Security Advisory (GHSA-hr5j-3j78-4vh2)",
"tags": [
"vendor-advisory"
],
"url": "https://github.com/openbao/openbao/security/advisories/GHSA-hr5j-3j78-4vh2"
},
{
"name": "VulnCheck Advisory: OpenBao before 2.6.3 ACL Bypass via Dropped Templated Policy Denial",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/openbao-before-2.6.3-acl-bypass-via-dropped-templated-policy-denial"
}
],
"title": "OpenBao before 2.6.3 ACL Bypass via Dropped Templated Policy Denial",
"x_generator": {
"engine": "vulncheck-endgame"
}
}
},
"cveMetadata": {
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"assignerShortName": "VulnCheck",
"cveId": "CVE-2026-115361",
"datePublished": "2026-10-22T19:13:36.151Z",
"dateReserved": "2026-10-22T11:21:20.778Z",
"dateUpdated": "2026-10-22T19:13:36.151Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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