Critical

codechecker vulnerable to authentication bypass when using specifically crafted URLs

  • Disclosed: 06.11.2024
  • Updated: 11.10.2026 12:19

Summary

Authentication bypass occurs when the API URL ends with Authentication, Configuration or ServerInfo. This bypass allows superuser access to all API endpoints other than Authentication. These endpoints include the ability to add, edit, and remove products, among others.

Details

All endpoints, apart from the /Authentication is affected by the vulnerability.

The vulnerability allows unauthenticated users to access all API functionality. You can look for the following pattern in the logs to check if the vulnerabilty was exploited: image

Note that the url starts with v and contains a valid CodeChecker endpoint, but it ends in Authentication, Configuration or ServerInfo and it was made by an Anonymous user.

Impact

This authentication bypass allows querying, adding, changing, and deleting Products contained on the CodeChecker server, without authentication, by an anonymous user.

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
Python (PyPI) codechecker < 6.24.2 6.24.2

References

CVSS score 10/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
Weakness (CWE)
CWE-288
Platform
Python (PyPI)
Package
codechecker
Disclosed
06.11.2024
Updated
11.10.2026 12:19

Sources and licenses

OSV / GitHub Advisory Database - PYSEC-2024-238 - PyPA Advisory Database; CC BY 4.0

OSV / GitHub Advisory Database - GHSA-f3f8-vx3w-hp5q - CC BY 4.0

Vulnerability history: codechecker

All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.

Total entries
8
First → latest
01.2022 05.2026
Without a fix
1
Exploited in attacks
0

Severity breakdown

  • Critical 3
  • High 1
  • Medium 4

Disclosures per year

  1. 2022: 1
  2. 2023: 0
  3. 2024: 3
  4. 2025: 3
  5. 2026: 1
  1. Critical CVE-2026-25660 <= 6.27.3 no fix
  2. Medium · 5.9 CVE-2025-40843 < 6.26.2 6.26.2
  3. High · 8.2 CVE-2024-53829 < 6.24.5 6.24.5
  4. codechecker vulnerable to authentication bypass when using specifically crafted URLs this entry
    Critical · 10.0 CVE-2024-10081 < 6.24.2 6.24.2
  5. Medium · 6.1 CVE-2021-44217 < 6.18.2 6.18.2

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