{"cve":"CVE-2026-27100","nvd":{"published":"2026-02-18T15:18:43.967","modified":"2026-06-17T10:26:40.633","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","score":4.3},"cwes":["CWE-200"],"references":["https://www.jenkins.io/security/advisory/2026-02-18/#SECURITY-3658"],"products":["jenkins:jenkins"],"source":"nvd","synced_at":"2026-10-19T22:23:35.260773158+00:00"},"epss":{"cve":"CVE-2026-27100","score":0.0037,"percentile":0.30963,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-wfhp-qgm8-5p5c","url":"https://osv.dev/vulnerability/GHSA-wfhp-qgm8-5p5c","summary":"Jenkins has a build information disclosure vulnerability through Run Parameter ","modified":"2026-09-10T03:50:36.025442099Z","packages":[{"ecosystem":"Maven","name":"org.jenkins-ci.main:jenkins-core","purl":"pkg:maven/org.jenkins-ci.main/jenkins-core","ranges":[">=2.542 <2.551"],"fixed":["2.551"]},{"ecosystem":"Maven","name":"org.jenkins-ci.main:jenkins-core","purl":"pkg:maven/org.jenkins-ci.main/jenkins-core","ranges":["<2.541.2"],"fixed":["2.541.2"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}