{"id":"CVE-2026-104437","published":"2026-10-02T12:17:14.357","lastModified":"2026-10-06T03:17:00.670","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.","cvssScore":7.4,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H","cwes":["CWE-347"],"vendors":[],"products":[],"references":[{"url":"https://github.com/ZcashFoundation/zebra/security/advisories/GHSA-cwfq-rfcr-8hmp","tags":[]},{"url":"https://www.vulncheck.com/advisories/zebra-before-4.4.0-consensus-split-via-sighash-single-missing-output-handling","tags":[]},{"url":"https://github.com/ZcashFoundation/zebra/security/advisories/GHSA-cwfq-rfcr-8hmp","tags":[]}],"exploitRefs":[{"url":"https://github.com/ZcashFoundation/zebra/security/advisories/GHSA-cwfq-rfcr-8hmp","tags":[]},{"url":"https://github.com/ZcashFoundation/zebra/security/advisories/GHSA-cwfq-rfcr-8hmp","tags":[]}],"hasPoc":true,"ai":null}