{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-104435","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-10-02T00:50:26.604Z","datePublished":"2026-10-02T11:38:12.487Z","dateUpdated":"2026-10-02T15:16:42.729Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-10-02T11:38:12.487Z"},"datePublic":"2026-05-04T00:00:00.000Z","title":"Zebra 4.4.0 Consensus Divergence via V5 SIGHASH_SINGLE Without Output","descriptions":[{"lang":"en","value":"Zebra zebrad 4.4.0 and zebra-script 6.0.0 fail to enforce a ZIP-244 consensus rule, accepting V5 transparent inputs signed with SIGHASH_SINGLE that lack a corresponding output. Attackers can broadcast crafted V5 transactions with more inputs than outputs that Zebra accepts but zcashd rejects, causing a network consensus split."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Improper Verification of Cryptographic Signature","cweId":"CWE-347","type":"CWE"}]}],"affected":[{"vendor":"ZcashFoundation","product":"zebra","defaultStatus":"unaffected","packageURL":"pkg:cargo/zebrad","versions":[{"version":"4.4.0","status":"affected","versionType":"semver","lessThan":"4.4.1"},{"version":"4.4.1","status":"unaffected","versionType":"semver"}]},{"vendor":"ZcashFoundation","product":"zebra","defaultStatus":"unaffected","packageURL":"pkg:cargo/zebra-script","versions":[{"version":"6.0.0","status":"affected","versionType":"semver","lessThan":"6.0.1"},{"version":"6.0.1","status":"unaffected","versionType":"semver"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:zfnd:zebra:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4.0","versionEndExcluding":"4.4.1"},{"vulnerable":true,"criteria":"cpe:2.3:a:zfnd:zebra:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0.0","versionEndExcluding":"6.0.1"}]}]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":8.3,"baseSeverity":"HIGH"}},{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.4,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H","version":"3.1"},"format":"CVSS"}],"references":[{"url":"https://github.com/ZcashFoundation/zebra/security/advisories/GHSA-pvmv-cwg8-v6c8","tags":["vendor-advisory"],"name":"GitHub Security Advisory (GHSA-pvmv-cwg8-v6c8)"},{"name":"VulnCheck Advisory: Zebra 4.4.0 Consensus Divergence via V5 SIGHASH_SINGLE Without Output","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/zebra-4.4.0-consensus-divergence-via-v5-sighash-single-without-output"}],"credits":[{"lang":"en","value":"sangsoo-osec","type":"reporter"},{"lang":"en","value":"fivelittleducks","type":"reporter"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-02T15:16:28.895399Z","id":"CVE-2026-104435","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-02T15:16:42.729Z"}}]}}