{"id":"EUVD-2026-91447","revision":"dde53bc890364e7a8d97d2b7abc33f4a","records":[{"revision":"dde53bc890364e7a8d97d2b7abc33f4a","observedAt":"2026-11-11T05:30:18.501+00:00","statement":{"source":"euvd","id":"EUVD-2026-91447","aliases":["CVE-2026-104437","GHSA-wc6w-gfmg-rf5p"],"title":"Zebra before 4.4.0 contains a consensus divergence vulnerability in V5 transparent signature verification, computing a ZIP-244 digest for SIGHASH_SINGLE inputs lacking corresponding outputs instead of failing. Attackers can craft V5 transac…","description":"Zebra before 4.4.0 contains a consensus divergence vulnerability in V5 transparent signature verification, computing a ZIP-244 digest for SIGHASH_SINGLE inputs lacking corresponding outputs instead of failing. Attackers can craft V5 transactions with fewer outputs than inputs that Zebra accepts and templates via getblocktemplate, producing blocks zcashd rejects.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 4.0","vector":"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","score":8.3,"severity":null}],"references":["https://github.com/ZcashFoundation/zebra/security/advisories/GHSA-cwfq-rfcr-8hmp","https://www.vulncheck.com/advisories/zebra-before-4.4.0-consensus-split-via-sighash-single-missing-output-handling"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-91447","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Oct 2, 2026, 11:38:13 AM","dateUpdated":"Oct 6, 2026, 2:42:57 AM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-91447","identifiers":["EUVD-2026-91447","CVE-2026-104437","GHSA-wc6w-gfmg-rf5p"]},"retained":false,"historicalAffected":[]}],"coverage":[]}