How severe is CVE-2026-25660?

CVE-2026-25660 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-25660 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-25660?

CVE-2026-25660 affects Ericsson Codechecker. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-25660?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-25660 have an EU (EUVD) identifier?

Yes. CVE-2026-25660 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25417.

When was CVE-2026-25660 published?

CVE-2026-25660 was published on 2026-04-24 and last updated on 2026-06-17.

CVE-2026-25660

CVE-2026-25660 is a critical-severity vulnerability in Ericsson Codechecker with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-290.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 9.3
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-25417
Weakness: CWE-290
Affected product: Ericsson Codechecker
Published: 2026-04-24
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-25660?: 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.
How severe is CVE-2026-25660?: CVE-2026-25660 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-25660 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-25660?: CVE-2026-25660 affects Ericsson Codechecker. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-25660?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-25660 have an EU (EUVD) identifier?: Yes. CVE-2026-25660 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25417.
When was CVE-2026-25660 published?: CVE-2026-25660 was published on 2026-04-24 and last updated on 2026-06-17.

References

https://github.com/Ericsson/codechecker/security/advisories/GHSA-4v9x-cqc5-j645

Affected products (1)

cpe:2.3:a:ericsson:codechecker:*:*:*:*:*:*:*:*

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