CVE-2025-67638

Description

Jenkins 2.540 and earlier, LTS 2.528.2 and earlier does not mask build authorization tokens displayed on the job configuration form, increasing the potential for attackers to observe and capture them.

CVSS v3.1 Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Weakness Type (CWE)

CWE-312 CWE-312

Affected Products

Vendor	Product	Versions
jenkins	jenkins	< 2.528.3
jenkins	jenkins	< 2.541

References

Advisories & Patches

https://www.jenkins.io/security/advisory/2025-12-10/#SECURITY-783

Frequently Asked Questions

What is CVE-2025-67638? +

Jenkins 2.540 and earlier, LTS 2.528.2 and earlier does not mask build authorization tokens displayed on the job configuration form, increasing the potential for attackers to observe and capture them. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2025-67638? +

CVE-2025-67638 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-67638? +

CVE-2025-67638 affects products from jenkins, specifically: jenkins. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-67638? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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