OpenBao before 2.6.5 and 2.7.2 contains an authentication bypass vulnerability that allows unauthenticated callers to obtain OIDC ID tokens by abusing public clients with client_credentials enabled. Attackers who know a public client's client_id can request tokens from the identity/oidc/provider/<name>/token endpoint to impersonate the client without any secret.
Metrics
Affected Vendors & Products
Advisories
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Fixes
Solution
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Workaround
No workaround given by the vendor.
References
History
Fri, 13 Nov 2026 09:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | OpenBao before 2.6.5 and 2.7.2 contains an authentication bypass vulnerability that allows unauthenticated callers to obtain OIDC ID tokens by abusing public clients with client_credentials enabled. Attackers who know a public client's client_id can request tokens from the identity/oidc/provider/<name>/token endpoint to impersonate the client without any secret. | |
| Title | OpenBao before 2.6.5 and 2.7.2 OIDC Provider Authentication Bypass via Client Credentials | |
| First Time appeared |
Openbao
Openbao openbao |
|
| Weaknesses | CWE-287 | |
| CPEs | cpe:2.3:a:openbao:openbao:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Openbao
Openbao openbao |
|
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-11-13T09:36:18.944Z
Reserved: 2026-11-10T20:16:44.443Z
Link: CVE-2026-126310
No data.
Status : Received
Published: 2026-11-13T10:17:36.653
Modified: 2026-11-13T10:17:36.653
Link: CVE-2026-126310
No data.
OpenCVE Enrichment
No data.
Weaknesses