{"schema":"threatline.record/2","record":{"id":"CVE-2026-104429","aliases":["GHSA-m9xx-8rcj-vmgp"],"summary":"Zebra before 6.0.0-rc.0 Per-Peer Mempool Admission Bypass via P2P tx Messages","details":"Zebra (zebrad) 5.0.0 before 6.0.0-rc.0 does not apply its per-peer mempool admission cap to transactions received as direct P2P tx messages, because these are queued without the sending peer recorded as their source. A remote inbound peer can push many unique transactions to occupy a disproportionate share of mempool admission slots, crowding out honest peers' transaction relay.","categories":["Unclassified"],"product":"zebra","vendor":"ZcashFoundation","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-104429","source_modified_at":"2026-10-02T12:27:23.589Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"zebra","vendor":"ZcashFoundation","versions":[{"version":"0","status":"affected","versionType":"semver","lessThan":"6.0.0-rc.0"},{"version":"6.0.0-rc.0","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-104429","source_modified_at":"2026-10-02T12:27:23.589Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":"zebra","ecosystem":null},"version":"6.0.0-rc.0","basis":"first unaffected version stated in the CVE record"}],"cvss":6.9,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00304,"percentile":0.22038,"score_date":"2026-10-23"},"published_at":"2026-10-02T11:38:09.257Z","modified_at":"2026-10-02T12:27:23.589Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-104429","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-10-02T12:27:23.589Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-104429","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/ZcashFoundation/zebra/security/advisories/GHSA-m9xx-8rcj-vmgp","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/zebra-before-6.0.0-rc.0-per-peer-mempool-admission-bypass-via-p2p-tx-messages","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"yes","technical_impact":"partial","assessed_at":"2026-10-02T12:27:13.306414Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-02T12:27:23.589Z","content_hash":"a45e88ccad0b422f24a5477841255aba3dcb9dd9b2b01d7e4c0704ca12a2c90a"}}