{"action":"Upgrade zebrad to 4.5.0 or later.","affected":[{"fixed":"4.5.0","introduced":"0"}],"component":"zebrad","cve_ids":["CVE-2026-52735"],"ecosystem":"crates.io","epss":0.00507,"exploited":false,"fixed_versions":["4.5.0"],"ghsa_id":"GHSA-gf9r-m956-97qx","id":"tcs_01M5KEZY9QQXF5YWP8RKK7ASAB","modified_at":"2026-07-02T20:11:29.482145Z","published_at":"2026-07-02T19:43:36Z","references":["https://osv.dev/vulnerability/GHSA-gf9r-m956-97qx","https://github.com/ZcashFoundation/zebra/security/advisories/GHSA-gf9r-m956-97qx","https://github.com/AlfredoG87/zcash_script/blob/v0.4.4/src/script/iter.rs#L104-L115","https://github.com/ZcashFoundation/zebra","https://github.com/ZcashFoundation/zebra/blob/d4cd662c716382f6397d2a730148025a1ca79fec/zebra-consensus/src/block.rs#L140","https://github.com/ZcashFoundation/zebra/blob/d4cd662c716382f6397d2a730148025a1ca79fec/zebra-script/src/lib.rs#L383-L400"],"severity":{"label":"critical","score":9.3},"sources":[{"source":"osv","source_id":"GHSA-gf9r-m956-97qx#crates.io/zebrad","url":"https://osv.dev/vulnerability/GHSA-gf9r-m956-97qx"},{"source":"nvd","source_id":"CVE-2026-52735","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-52735"}],"summary":"zebrad has consensus divergence via P2SH sigop undercount in pure-Rust disabled-opcode parser"}