CVE-2026-27100

MEDIUM

4.3

Description

Jenkins 2.550 and earlier, LTS 2.541.1 and earlier accepts Run Parameter values that refer to builds the user submitting the build does not have access to, allowing attackers with Item/Build and Item/Configure permission to obtain information about the existence of jobs, the existence of builds, and if a specified build exists, its display name.

CVE Details

CVSS v3.1 Score4.3

SeverityMEDIUM

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published2/18/2026

Last Modified2/20/2026

Sourcenvd

Honeypot Sightings0

Affected Products

jenkins:jenkins

Weaknesses (CWE)

CWE-200

References

https://www.jenkins.io/security/advisory/2026-02-18/#SECURITY-3658(jenkinsci-cert@googlegroups.com)

IOC Correlations

No correlations recorded

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