{"schema_version":1,"title":"Zcash Foundation Zebrad vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 7 vulnerabilities in Zcash Foundation Zebrad: 2 in the last 7 days and 5 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-123558, was published on 8 November 2026. 2 vulnerabilities in the last four weeks, down 33% on the four before (3).","url":"https://junglewise.ai/threats/technologies/zcash-foundation-zebrad","json_url":"https://junglewise.ai/threats/technologies/zcash-foundation-zebrad.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/zcash-foundation-zebrad","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","thin":false,"counts":{"high":5,"all_time":7,"critical":1,"exploited":0,"last_7_days":2,"last_30_days":2,"last_90_days":5,"last_365_days":7},"latest":[{"cve":"CVE-2026-123558","cvss":7.5,"slug":"cve-2026-123558-zebra-zebrad-before-7-0-0-contains-a-denial-of-service","title":"Zebra zebrad denial of service in checkpoint sync verification","severity":"high","exploited":false,"published_at":"2026-11-08T02:16:47.863+00:00","url":"https://junglewise.ai/threats/cve-2026-123558-zebra-zebrad-before-7-0-0-contains-a-denial-of-service"},{"cve":"CVE-2026-123554","cvss":7.5,"slug":"cve-2026-123554-zebra-zebrad-6-4-0-before-7-0-0-performs-quadratic-work-in-the","title":"Zcash zebrad quadratic work in mempool coinbase-maturity check","severity":"high","exploited":false,"published_at":"2026-11-08T02:16:47.12+00:00","url":"https://junglewise.ai/threats/cve-2026-123554-zebra-zebrad-6-4-0-before-7-0-0-performs-quadratic-work-in-the"},{"cve":"CVE-2026-104435","cvss":7.4,"epss":0.0021,"slug":"cve-2026-104435-zebra-zebrad-4-4-0-and-zebra-script-6-0-0-fail-to-enforce-a-zip","title":"Zebra consensus rule enforcement bypass in V5 SIGHASH_SINGLE","severity":"high","exploited":false,"published_at":"2026-10-02T12:17:14.063+00:00","url":"https://junglewise.ai/threats/cve-2026-104435-zebra-zebrad-4-4-0-and-zebra-script-6-0-0-fail-to-enforce-a-zip"},{"cve":"CVE-2026-104434","cvss":6.5,"epss":0.0031,"slug":"cve-2026-104434-zcashfoundation-zebra-zebra-rpc-before-8-0-0-and-zebrad-before-4","title":"Zcash Foundation Zebra reachable assertion in z_listunifiedreceivers RPC handler","severity":"medium","exploited":false,"published_at":"2026-10-02T12:17:13.917+00:00","url":"https://junglewise.ai/threats/cve-2026-104434-zcashfoundation-zebra-zebra-rpc-before-8-0-0-and-zebrad-before-4"},{"cve":"CVE-2026-104430","cvss":7.5,"epss":0.0041,"slug":"cve-2026-104430-zebra-zebrad-4-5-0-and-zebra-script-7-0-0-count-p2sh-redeem","title":"Zebra P2SH sigop counting consensus divergence","severity":"high","exploited":false,"published_at":"2026-10-02T12:17:13.467+00:00","url":"https://junglewise.ai/threats/cve-2026-104430-zebra-zebrad-4-5-0-and-zebra-script-7-0-0-count-p2sh-redeem"},{"cve":"CVE-2026-41583","cvss":9.1,"epss":0.0028,"slug":"cve-2026-41583-zcash-foundation-zebra-consensus-divergence-in-sighash-handling","title":"Zcash Foundation Zebra consensus divergence in sighash handling","severity":"critical","exploited":false,"published_at":"2026-05-08T15:16:41.07+00:00","url":"https://junglewise.ai/threats/cve-2026-41583-zcash-foundation-zebra-consensus-divergence-in-sighash-handling"},{"cve":"CVE-2026-40881","cvss":7.5,"epss":0.0026,"slug":"cve-2026-40881-zcash-foundation-zebra-resource-exhaustion-in-addr-message","title":"Zcash Foundation Zebra resource exhaustion in addr message deserialization","severity":"high","exploited":false,"published_at":"2026-04-21T20:17:01.85+00:00","url":"https://junglewise.ai/threats/cve-2026-40881-zcash-foundation-zebra-resource-exhaustion-in-addr-message"}],"weekly":[{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":3},{"week":"2026-10-05","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-12","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-19","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-26","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-11-02","critical":0,"exploited":0,"vulnerabilities":2},{"week":"2026-11-09","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"Zcash Foundation Zebra","slug":"zebra","vulnerabilities":25,"url":"https://junglewise.ai/threats/technologies/zebra"},{"name":"Zcash Foundation Zebra-Script","slug":"zcash-foundation-zebra-script","vulnerabilities":3,"url":"https://junglewise.ai/threats/technologies/zcash-foundation-zebra-script"}],"technology":{"hub":true,"name":"Zcash Foundation Zebrad","slug":"zcash-foundation-zebrad","vendor":{"hub":true,"name":"Zcash Foundation","slug":"zcash-foundation","url":"https://junglewise.ai/threats/vendors/zcash-foundation"},"aliases":[],"category":"blockchain-implementation","homepage":"https://z.cash/","repo_url":"https://github.com/ZcashFoundation/zebra","description":"Zcash Foundation implementation of the Zcash blockchain protocol.","url":"https://junglewise.ai/threats/technologies/zcash-foundation-zebrad"},"most_severe":[{"cve":"CVE-2026-41583","cvss":9.1,"epss":0.0028,"slug":"cve-2026-41583-zcash-foundation-zebra-consensus-divergence-in-sighash-handling","title":"Zcash Foundation Zebra consensus divergence in sighash handling","severity":"critical","exploited":false,"published_at":"2026-05-08T15:16:41.07+00:00","url":"https://junglewise.ai/threats/cve-2026-41583-zcash-foundation-zebra-consensus-divergence-in-sighash-handling"},{"cve":"CVE-2026-104430","cvss":7.5,"epss":0.0041,"slug":"cve-2026-104430-zebra-zebrad-4-5-0-and-zebra-script-7-0-0-count-p2sh-redeem","title":"Zebra P2SH sigop counting consensus divergence","severity":"high","exploited":false,"published_at":"2026-10-02T12:17:13.467+00:00","url":"https://junglewise.ai/threats/cve-2026-104430-zebra-zebrad-4-5-0-and-zebra-script-7-0-0-count-p2sh-redeem"},{"cve":"CVE-2026-40881","cvss":7.5,"epss":0.0026,"slug":"cve-2026-40881-zcash-foundation-zebra-resource-exhaustion-in-addr-message","title":"Zcash Foundation Zebra resource exhaustion in addr message deserialization","severity":"high","exploited":false,"published_at":"2026-04-21T20:17:01.85+00:00","url":"https://junglewise.ai/threats/cve-2026-40881-zcash-foundation-zebra-resource-exhaustion-in-addr-message"},{"cve":"CVE-2026-123558","cvss":7.5,"slug":"cve-2026-123558-zebra-zebrad-before-7-0-0-contains-a-denial-of-service","title":"Zebra zebrad denial of service in checkpoint sync verification","severity":"high","exploited":false,"published_at":"2026-11-08T02:16:47.863+00:00","url":"https://junglewise.ai/threats/cve-2026-123558-zebra-zebrad-before-7-0-0-contains-a-denial-of-service"},{"cve":"CVE-2026-123554","cvss":7.5,"slug":"cve-2026-123554-zebra-zebrad-6-4-0-before-7-0-0-performs-quadratic-work-in-the","title":"Zcash zebrad quadratic work in mempool coinbase-maturity check","severity":"high","exploited":false,"published_at":"2026-11-08T02:16:47.12+00:00","url":"https://junglewise.ai/threats/cve-2026-123554-zebra-zebrad-6-4-0-before-7-0-0-performs-quadratic-work-in-the"},{"cve":"CVE-2026-104435","cvss":7.4,"epss":0.0021,"slug":"cve-2026-104435-zebra-zebrad-4-4-0-and-zebra-script-6-0-0-fail-to-enforce-a-zip","title":"Zebra consensus rule enforcement bypass in V5 SIGHASH_SINGLE","severity":"high","exploited":false,"published_at":"2026-10-02T12:17:14.063+00:00","url":"https://junglewise.ai/threats/cve-2026-104435-zebra-zebrad-4-4-0-and-zebra-script-6-0-0-fail-to-enforce-a-zip"},{"cve":"CVE-2026-104434","cvss":6.5,"epss":0.0031,"slug":"cve-2026-104434-zcashfoundation-zebra-zebra-rpc-before-8-0-0-and-zebrad-before-4","title":"Zcash Foundation Zebra reachable assertion in z_listunifiedreceivers RPC handler","severity":"medium","exploited":false,"published_at":"2026-10-02T12:17:13.917+00:00","url":"https://junglewise.ai/threats/cve-2026-104434-zcashfoundation-zebra-zebra-rpc-before-8-0-0-and-zebrad-before-4"}],"generated_at":"2026-11-09T03:07:00.176479+00:00"}