Prompty: Arbitrary file read via file reference expansion
High-risk advisory
CVE-2026-53598
Summary
Prompty: Arbitrary file read via file reference expansion
Why it matters
GitHub has published a reviewed security advisory for prompty. Prioritize it with other application dependency updates, especially because EPSS places it in the 61% percentile.
Operator check
Check whether prompty is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. EPSS probability: 1.1%; percentile: 61%.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.