Description
CodeChecker's web server fails to fully invalidate a session token on logout when the server runs with more than one API worker process (the default). Each worker process maintains its own
in-memory session cache; logout only clears the cache of the single worker that handles the request (plus the shared database record). Other workers continue to honor the destroyed token
from their stale in-memory copies until the session's lifetime expires. An attacker who has captured a valid token can therefore keep impersonating the user after the user has logged out.
Published: 2026-11-06
Score: 5.3 Medium
EPSS: n/a
KEV: No
AI Analysis

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Remediation

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History

Fri, 06 Nov 2026 10:30:00 +0000

Type Values Removed Values Added
Description CodeChecker's web server fails to fully invalidate a session token on logout when the server runs with more than one API worker process (the default). Each worker process maintains its own in-memory session cache; logout only clears the cache of the single worker that handles the request (plus the shared database record). Other workers continue to honor the destroyed token from their stale in-memory copies until the session's lifetime expires. An attacker who has captured a valid token can therefore keep impersonating the user after the user has logged out.
Title Session Token Remains Valid After Logout in Multi-Worker Deployments
Weaknesses CWE-613
References
Metrics cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}


Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: ERIC

Published:

Updated: 2026-11-06T10:27:24.656Z

Reserved: 2026-09-01T08:00:17.054Z

Link: CVE-2026-84155

cve-icon Vulnrichment

No data.

cve-icon NVD

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cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses
  • CWE-613

    Insufficient Session Expiration