CVE-2026-27100

MEDIUM
2026-02-18 [email protected] GHSA-wfhp-qgm8-5p5c
4.3
CVSS 3.1
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CVSS Vector

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

Lifecycle Timeline

3
Patch Released
Mar 31, 2026 - 21:13 nvd
Patch available
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
CVE Published
Feb 18, 2026 - 15:18 nvd
MEDIUM 4.3

Tags

Jenkins Redhat

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.

Analysis

Jenkins versions 2.550 and earlier fail to properly validate Run Parameter access controls, allowing authenticated users with Item/Build and Item/Configure permissions to enumerate sensitive information about jobs, builds, and their display names they should not have access to. This information disclosure vulnerability affects Jenkins LTS 2.541.1 and earlier, with no patch currently available. …

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Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Review data exposure and access controls.

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Priority Score

22
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +22
POC: 0

Vendor Status

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CVE-2026-27100 vulnerability details – vuln.today
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