{"action":"Upgrade halo2_gadgets to 0.5.0 or later.","affected":[{"fixed":"0.5.0","introduced":"0"}],"component":"halo2_gadgets","cve_ids":["CVE-2026-54496"],"ecosystem":"crates.io","epss":0.00315,"exploited":false,"fixed_versions":["0.5.0"],"ghsa_id":"GHSA-ww9q-8r59-xv46","id":"tcs_01M5KF4905BSDQJZP6H2ZAYEYD","modified_at":"2026-07-06T21:41:31.505669Z","published_at":"2026-07-06T21:23:41Z","references":["https://osv.dev/vulnerability/GHSA-ww9q-8r59-xv46","https://github.com/ZcashFoundation/zebra/security/advisories/GHSA-ww9q-8r59-xv46","https://github.com/ZcashFoundation/zebra"],"severity":{"label":"critical","score":9.3},"sources":[{"source":"osv","source_id":"GHSA-ww9q-8r59-xv46#crates.io/halo2_gadgets","url":"https://osv.dev/vulnerability/GHSA-ww9q-8r59-xv46"}],"summary":"Zebra: Missing copy constraint in halo2_gadgets variable-base scalar multiplication allows under-constrained base, breaking Orchard Action circuit soundness"}