CVE-2026-54496: Missing copy constraint in halo2_gadgets variable-base scalar multiplication (exact versions not specified)

CVE-2026-54496. EPSS 0.00315 (percentile 0.23161), scored 21-Oct-2026. Fixed version: d751768afe0d2105b349dd93f73fde7f2eade088. Fixed version: d0c380114a88154fad05d92a168a546a4ab219e2. Fixed version: 8766e0532a793516c27ad2f838bccfbb24d47285. Fixed version: 8de172448be10f3a470f9ac83198dc8a185986ad. Fixed version: 6966f30a8541b0e5998837dce14250ca9e15b16a. Fixed version: 1e6519ea91e2d3035c20aadd4d9a40dcac2eed3a. Fixed version: e8db87eb69254e0d4eedd058eadd48bdfa09065a.

Affected technology

Missing copy constraint in halo2_gadgets variable-base scalar multiplication · Exact affected versions not specified by the source
Vendor not specified by the source

Component: Not specified by the source

Attack conditions (OSV, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

OSV’s CVSS 3.1 assessment rates confidentiality impact as none; integrity impact as high; availability impact as low. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 22-Oct-2026 20:43 UTC

CCR priority: 0.1 /100 (P5)
CVSS 3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:L · OSV.dev
EPSS: 0.00315 · percentile 0.23161 · 2026-10-21
KEV: no

Provenance

OSV.dev · Source record · observed 2026-10-22 12:21:37.944032+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-54496.html