Auth bypass in Dromara Jpom
CVE-2026-91993
Jpom through 2.11.12 fails to validate workspace ownership when resolving repositoryId on the /build/branch-list endpoint, allowing authenticated users to access repositories from other workspaces. Attackers can submit repository identifiers from different workspaces to enumerate repository existence, determine repository type, and execute git ls-remote commands using other workspaces' stored credentials.
Vulnerability class: IDOR (Insecure Direct Object Reference)
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
Affected products
Weakness classification (CWE)
References
- disclosure@vulncheck.com (issue-tracking, exploit)
- disclosure@vulncheck.com (technical-description)
- disclosure@vulncheck.com (product)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-91993?
- CVE-2026-91993 is a medium-severity vulnerability in Dromara Jpom, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-09-15.
- How severe is CVE-2026-91993?
- Medium severity. CVSS v3 base score is 4.3 out of 10.