{"action":"Upgrade zebrad to 4.3.1 or later.","affected":[{"fixed":"4.3.1","introduced":"0"}],"component":"zebrad","cve_ids":["CVE-2026-40880"],"ecosystem":"crates.io","epss":0.00261,"exploited":false,"fixed_versions":["4.3.1"],"ghsa_id":"GHSA-xvj8-ph7x-65gf","id":"tcs_01M5KF4ZY0QJPC1FXRCN130KM1","modified_at":"2026-05-05T16:12:16.862579Z","published_at":"2026-04-18T00:41:54Z","references":["https://osv.dev/vulnerability/GHSA-xvj8-ph7x-65gf","https://github.com/ZcashFoundation/zebra/security/advisories/GHSA-xvj8-ph7x-65gf","https://nvd.nist.gov/vuln/detail/CVE-2026-40880","https://github.com/ZcashFoundation/zebra"],"severity":{"label":"high"},"sources":[{"source":"osv","source_id":"GHSA-xvj8-ph7x-65gf#crates.io/zebrad","url":"https://osv.dev/vulnerability/GHSA-xvj8-ph7x-65gf"}],"summary":"Zebra: Cached Mempool Verification Bypasses Consensus Rules for Ahead-of-Tip Blocks"}