CVE-2026-25660: Codechecker has an authentication bypass for certain API calls

CVE-2026-25660 · Severity: critical · CVSS 9.8 · Published 2026-04-24

CodeChecker is an analyzer tooling, defect database and viewer extension for the Clang Static Analyzer and Clang Tidy. Authentication bypass occurs when the URL ends with Authentication with certain function calls.  This bypass allows assigning arbitrary permission to any user existing in CodeChecker.

This issue affects CodeChecker: through 6.27.3.

Technologies: Ericsson Codechecker, codechecker (PyPI). Vendors: Ericsson, PyPI.

Quick answers

Is CVE-2026-25660 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-25660 being exploited in the wild.
How severe is CVE-2026-25660?
Critical severity, with a CVSS score of 9.8, published 24 April 2026.
Which products and versions are affected?
codechecker (PyPI) <= 6.27.3, ECOSYSTEM:introduced=0,last_affected=6.27.3.
Is there a fix for CVE-2026-25660?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2026-25660?
Check whether you run Ericsson Codechecker or codechecker (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Ericsson Codechecker
  • codechecker (PyPI) <= 6.27.3, ECOSYSTEM:introduced=0,last_affected=6.27.3

Identifiers

  • CVE-2026-25660
  • GHSA-4v9x-cqc5-j645
  • PYSEC-2026-317

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