Is CVE-2026-91993 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-91993?

CVE-2026-91993 has a CVSS v3 severity of MEDIUM (4.3).

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CVE-2026-91993

Description

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.