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TI-2026-20759 Aliases CVE-2026-25660GHSA-4v9x-cqc5-j645

Authentication bypass for certain API calls

Priority MEDIUM 48CWE-290Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-290.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00447 39th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
EricssonCodeCheckerup to 6.27.3—No fix listedCNA
—codechecker (PyPI)up to 6.27.3—No fix listedGHSA-4v9x-cqc5-j645
  • CodeChecker VendorEricsson Affected up to 6.27.3 Fixed in — No fix listed CNA
  • codechecker (PyPI) Vendor— Affected up to 6.27.3 Fixed in — No fix listed GHSA-4v9x-cqc5-j645

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:ericsson:codechecker:*:*:*:*:*:*:*:*before 6.27.4VulnerableEricsson
  • cpe:2.3:a:ericsson:codechecker:*:*:*:*:*:*:*:* Versions before 6.27.4 Vulnerable ·Ericsson

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-25660
  2. 2026-10-03 Alias added: GHSA-4v9x-cqc5-j645

References

Advisory 2

Other 3

  • TI-2024-09344 Authentication bypass in Ericsson CodeChecker CVSS 3.1CRITICAL 10.0
  • TI-2024-36027 Cross-Site Request Forgery in CodeChecker API CVSS 3.1HIGH 8.2
  • TI-2025-27277 Buffer overflow in CodeChecker log command CVSS 3.1HIGH 7.8
  • TI-2023-27200 Path traversal in `CodeChecker server` in the endpoint of `CodeChecker store` CVSS 3.1MEDIUM 6.5
  • TI-2024-09345 Authentication bypass in Ericsson CodeChecker CVSS 3.1CRITICAL 9.0
  • TI-2021-19910 In Ericsson CodeChecker through 6.18.0, a Stored Cross-site scripting (XSS) vulnerability… CVSS 3.1MEDIUM 6.1
See all 7 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences