๐Ÿ” CVE Alert

CVE-2025-71435

MEDIUM 4.2

Coder before 2.23.0 Session Expiration Bypass via OIDC Without Refresh Token

CVSS Score
4.2
EPSS Score
0.0%
EPSS Percentile
0th

Coder before 2.23.0 contains a session expiration bypass vulnerability that allows authenticated users to retain access after OIDC token expiry when no refresh token is issued. Users can keep their APIKey cookie active through regular use, extending it every 24 hours to access Coder indefinitely after losing OIDC authorization.

CWE CWE-613
Vendor coder
Product coder
Published Oct 17, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

Affected Versions

coder / coder
0 < 2.23.0

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
github.com: https://github.com/coder/coder/security/advisories/GHSA-3rw9-wmc8-8948 vulncheck.com: https://www.vulncheck.com/advisories/coder-before-2.23.0-session-expiration-bypass-via-oidc-without-refresh-token

Credits

๐Ÿ” spikecurtis