Backpropagate: backprop ui --auth and backprop ui --share do not enforce authentication

Date Jun 26, 2026
Type Vendor advisory
Signal Critical vendor advisory
Vendor / Product PyPI ยท backpropagate
CVE CVE-2026-48797
Critical vendor advisory CVE-2026-48797

Summary

Backpropagate: backprop ui --auth and backprop ui --share do not enforce authentication

Why it matters

GitHub has published a reviewed security advisory for backpropagate. Prioritize it with other application dependency updates, especially because EPSS places it in the 24% percentile.

Operator check

Check whether backpropagate is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 9.3. EPSS probability: 0.3%; percentile: 24%.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.