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Zcash Halo2 Gadgets vulnerabilities
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zcash
orchard
,
zcash
,
zcashfoundation
zebra
+2 more
+4 more
Missing copy constraint in halo2_gadgets variable-base scalar multiplication allows under-constrained base, breaking Orchard Action circuit soundness
CVE-2026-54496
Fix available
9.3
Critical
July 6, 2026
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