CVE-2026-54496

CVE-2026-54496 affects Zebrad and related crates (halo2_gadgets, orchard, zcash_primitives, zcashd) prior to fixed versions. Root cause: the variable-base scalar multiplication gadget uses assign_advice() to feed the base point in halo2_gadgets—without a copy constraint tying it to the real base—...

CVE-2026-54496: Insufficient Verification of Data Authenticity

ZEBRA is a Zcash node written entirely in Rust. Prior to zebrad 5.0.0, halo2gadgets 0.5.0, orchard 0.14.0, zcashprimitives 0.28.0, and zcashd 6.20.0, the variable-base scalar multiplication gadget in halo2gadgets/src/ecc/chip/mul/incomplete.rs used assignadvice for the base point without a copy...

ledger-zcash (>=0.3.0, <=0.5.0), zcash-hsmbuilder (>=0.2.0, <=0.3.0) +3 more potentially affected by CVE-2026-54496 via zcash_primitives (0.5.0)

zcashprimitives CARGO version 0.5.0 is affected by a known vulnerability. The following packages have a transitive dependency on zcashprimitives and may be impacted: - ledger-zcash =0.3.0, =0.2.0, =0.3.0 - zcashclientbackend 0.5.0 - zcashclientsqlite 0.3.0 - zcashproofs 0.5.0 Source cves:...