9.3
CRITICAL CVSS 4.0
CVE-2026-25660
Authentication bypass for certain API calls
Description

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.

INFO

Published Date :

April 24, 2026, 2:16 p.m.

Last Modified :

April 24, 2026, 2:39 p.m.

Remotely Exploit :

Yes !

Source :

85b1779b-6ecd-4f52-bcc5-73eac4659dcf
Affected Products

The following products are affected by CVE-2026-25660 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 4.0 CRITICAL 85b1779b-6ecd-4f52-bcc5-73eac4659dcf
CVSS 4.0 CRITICAL 85b1779b-6ecd-4f52-bcc5-73eac4659dcf
Solution
Update CodeChecker to the latest version to fix authentication bypass.
  • Update CodeChecker to a version later than 6.27.3.
  • Verify authentication controls after update.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-25660.

URL Resource
https://github.com/Ericsson/codechecker/security/advisories/GHSA-4v9x-cqc5-j645
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-25660 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-25660 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-25660 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by 85b1779b-6ecd-4f52-bcc5-73eac4659dcf

    Apr. 24, 2026

    Action Type Old Value New Value
    Added Description 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.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:Y/R:U/V:C/RE:M/U:Red
    Added CWE CWE-290
    Added CWE CWE-863
    Added Reference https://github.com/Ericsson/codechecker/security/advisories/GHSA-4v9x-cqc5-j645
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.