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CVE-2026-54496 Missing copy constraint in halo2_gadgets variable-base scalar multiplication allows under-constrained base, breaking Orchard Action circuit soundness

🗓️ 17 Jul 2026 16:59:06Reported by GoogleType 
osv
 osv🔗 osv.dev👁 5 Views

Fixes missing copy constraint in variable-base scalar multiplication gadget to prevent under-constrained base.

Related
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2026-54496
17 Jul 202616:59
–attackerkb
Circl		CVE-2026-54496
6 Jul 202621:38
–circl
CVE		CVE-2026-54496
17 Jul 202616:59
–cve
Cvelist		CVE-2026-54496 Missing copy constraint in halo2_gadgets variable-base scalar multiplication allows under-constrained base, breaking Orchard Action circuit soundness
17 Jul 202616:59
–cvelist
EUVD		EUVD-2026-45228
17 Jul 202616:59
–euvd
Github Security Blog		Zebra: Missing copy constraint in halo2_gadgets variable-base scalar multiplication allows under-constrained base, breaking Orchard Action circuit soundness
6 Jul 202621:23
–github
NVD		CVE-2026-54496
17 Jul 202617:17
–nvd
OSV		GHSA-WW9Q-8R59-XV46 Zebra: Missing copy constraint in halo2_gadgets variable-base scalar multiplication allows under-constrained base, breaking Orchard Action circuit soundness
6 Jul 202621:23
–osv
Positive Technologies		PT-2026-56057
6 Jul 202600:00
–ptsecurity
Vulnrichment		CVE-2026-54496 Missing copy constraint in halo2_gadgets variable-base scalar multiplication allows under-constrained base, breaking Orchard Action circuit soundness
17 Jul 202616:59
–vulnrichment
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19 Jul 2026 03:47Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.19.3
EPSS0.00315
missing copy constraintvariable base scalarmultiplication gadgethalo two gadgetsorchard actionproof soundnessunder constrained base
5