CVE-2026-25660: CodeChecker is an analyzer tooling, defect database and viewer extension for the Clang Static Analyzer and Cla

Q: How do I fix CVE-2026-25660?

codechecker: upgrade to 6.27.4. Exact commands for each OS are on this page.

Q: Is CVE-2026-25660 being exploited?

CVE-2026-25660 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-25660 affect?

CVE-2026-25660 affects codechecker. Severity is critical (CVSS 9.8). 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 assi

Q: How urgent is CVE-2026-25660?

Priority 49/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2026-25660 is a critical-severity flaw (CVSS 9.8) affecting codechecker. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 61%)
CISA exploited list	No
Weakness	CWE-290, CWE-863
Published	2026-04-24
Last modified	2026-10-26

Publisher (CNA): Ericsson · Vendor: ericsson

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-24 14:16 UTCPublished CVE record published
2026-10-26 22:10 UTCUpdated Record last modified

ericsson codechecker UPGRADE

Affected: < 6.27.4

Fixed in: 6.27.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy codechecker || rpm -q codechecker || codechecker --version

2. UPGRADE to 6.27.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade codechecker

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade codechecker

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-25660?

codechecker: upgrade to 6.27.4. Exact commands for each OS are on this page.

Is CVE-2026-25660 being exploited?

CVE-2026-25660 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-25660 affect?

CVE-2026-25660 affects codechecker. Severity is critical (CVSS 9.8). 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 assi

How urgent is CVE-2026-25660?

Priority 49/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

Ericsson vulnerabilities

References

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