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Fencer Vulns
medium 4.3

CVE-2025-67638 json

Jenkins's build authorization token is stored and displayed in plain text

published 2025-12-10 10 mo ago modified 2026-10-14 25 d ago also BIT-jenkins-2025-67638 , EUVD-2025-202458 , GHSA-hxjg-2jvf-h3rx

cvss
4.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 5%
public exploits
0
none known

Summary

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.

Patch / fix

  • maven org.jenkins-ci.main:jenkins-core 2.528.3, 2.541
  • bitnami jenkins 2.528.3, 2.541.0
  • Jenkins Project Jenkins 2.541

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2025-67638 updated cvss 4.3

org.jenkins-ci.main/jenkins-core: Jenkins authorization token leak

  • Red Hat OpenShift Developer Tools and Services jenkins
    affected: workaround, no fix available “Fix deferred”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
10 mo ago

Exploit prediction

0.16% chance of exploitation in the next 30 days, higher than 5% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
GitHub 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CNA 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
OSV 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected packages

ecosystem package affected fixed in
maven org.jenkins-ci.main:jenkins-core
>=2.529, <2.541
<2.528.3
2.541
2.528.3
bitnami jenkins
<2.528.3
>=2.529.0, <2.541.0
2.528.3
2.541.0

Affected products

  • Jenkins Project Jenkins

Classification

Weakness
  • CWE-312 Cleartext Storage of Sensitive Information
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.