Zebra: Missing copy constraint in halo2_gadgets variable-base scalar multiplication allows under-constrained base, br...
High-risk advisory
CVE-2026-54496
Summary
Zebra: Missing copy constraint in halo2_gadgets variable-base scalar multiplication allows under-constrained base, breaking Orchard Action circuit soundness
Why it matters
GitHub has published a reviewed security advisory for zebrad. Prioritize it with other application dependency updates.
Operator check
Check whether zebrad is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.