Name: CVE-2026-27100: Exposure of Sensitive Information to an Unauthorized Actor
Creator: Rapid7
Published: 2026-02-18T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-27100, CVSS 4.3, EPSS 0.00389

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.

CVSS Details

CVSS 3.1 Base Score: 4.3
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Freebsd	—	Upgrade jenkinsUpgrade jenkins-lts	Feb 23, 2026	Feb 20, 2026
Jenkins 2026 02 18	—	Upgrade Jenkins to version 2.551Upgrade Jenkins to the latest versionUpgrade Jenkins LTS to the latest versionUpgrade Jenkins LTS to version 2.541.2	Feb 19, 2026	Feb 18, 2026

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CVSS Details

Covered by Rapid7

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