GHSA-wfhp-qgm8-5p5c · Severity: medium · Ecosystem: maven — Jenkins has a build information disclosure vulnerability through Run Parameter
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.
Conclusion & alert: CVE-2026-27100 is rated Low Risk (34.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.27%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-13 | 0.35% | 0.27% | -0.08% |
| 2 | 2026-05-13 | 0.16% | 0.35% | +0.20% |
| 3 | 2026-04-27 | — | 0.16% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 3.1 | MEDIUM |
|
2.8 | 1.4 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
GHSA-wfhp-qgm8-5p5c · Severity: medium · Ecosystem: maven — Jenkins has a build information disclosure vulnerability through Run Parameter
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2026-27100: 1 source package rows (jenkins); 22 state rows across 2 repos (3.23-community, edge-community); fixed 0, open 22. | https://security.alpinelinux.org/vuln/CVE-2026-27100 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2026-27100 |
| URL | Tags |
|---|---|
| https://www.jenkins.io/security/advisory/2026-02-18/#SECURITY-3658 | Vendor Advisory |