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MEDIUM · 4.3

CVE-2026-53439

Missing permission checks in Jenkins 2.567 and earlier, LTS 2.555.2 and earlier allow attackers with Overall/Read permission to determine other users' configured timezone and to enumerate view names o...

Vulnerability Description

Missing permission checks in Jenkins 2.567 and earlier, LTS 2.555.2 and earlier allow attackers with Overall/Read permission to determine other users' configured timezone and to enumerate view names of other users' "My Views".

CVSS Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
JenkinsJenkins< 2.555.3

Related Weaknesses (CWE)

CWE-862

References

FAQ

What is CVE-2026-53439?

CVE-2026-53439 is a vulnerability with a CVSS score of 4.3 (MEDIUM). Missing permission checks in Jenkins 2.567 and earlier, LTS 2.555.2 and earlier allow attackers with Overall/Read permission to determine other users' configured timezone and to enumerate view names o...

How severe is CVE-2026-53439?

CVE-2026-53439 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-53439?

Check the references section above for vendor advisories and patch information. Affected products include: Jenkins Jenkins.