CVE-2026-27100

At a glance

Severity: MEDIUM 4.3
EPSS: EPSS 0.37 % · percentile 31 (2026-10-27)
State: PUBLISHED
Published: 2026-02-18
Updated: 2026-02-18
Assigner: jenkins
NVD status: Analyzed

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.

Scores

Version	Score	Vector	Scored by
CVSS 3.1	MEDIUM 4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N	CISA-ADP
CVSS 3.1	MEDIUM 4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N	NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Weaknesses (CWE)

CWE-200

Advisories

GHSA-wfhp-qgm8-5p5c — Jenkins has a build information disclosure vulnerability through Run Parameter

European references

ENISA EUVD · EUVD-2026-8092
GCVE · GCVE-0-2026-27100

Affected configurations (NVD CPE)

cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:* < 2.541.2
cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:* < 2.551

Affected products

Product	Versions
Jenkins Project · Jenkins	unaffected 2.551 < * ; unaffected 2.541.2 < 2.541.*

References

https://www.jenkins.io/security/advisory/2026-02-18/#SECURITY-3658

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD