{"id":"CVE-2026-123560","aliases":[],"cve":{"records":[{"id":"CVE-2026-123560","source":"VulnCheck","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-11-06T00:50:45.483Z","published":"2026-11-08T01:38:01.040Z","modified":"2026-11-12T12:59:51.619Z"}],"publishers":[{"name":"VulnCheck","role":"CNA","organizationId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","modified":"2026-11-08T01:38:01.040Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-11-12T12:59:51.619Z"}],"references":[{"url":"https://github.com/ZcashFoundation/zebra/security/advisories/GHSA-9hq5-pfgc-cx5h","tags":["vendor-advisory"],"source":"VulnCheck"},{"url":"https://www.vulncheck.com/advisories/zebra-before-7.0.0-sync-denial-of-service-via-forged-checkpoint-block-body","tags":["third-party-advisory"],"source":"VulnCheck"}],"weaknesses":[{"id":"CWE-459","description":"Incomplete Cleanup","source":"VulnCheck"}],"applicability":[{"source":"VulnCheck","statements":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:zfnd:zebra:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.0"}]}]}]}],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-11-12T12:58:05.934171Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"yes"},{"name":"Technical Impact","value":"partial"}]}]},"title":"Zebra before 7.0.0 Sync Denial of Service via Forged Checkpoint Block Body","titleSource":"VulnCheck","descriptionSource":"VulnCheck","description":"Zebra before 7.0.0 contains an incomplete cleanup vulnerability that allows unauthenticated peers to stall initial sync by serving a forged checkpoint block body. Attackers can supply a body with forged authorizing data near the final checkpoint, leaving rejected hashes in the sent-hash set so the node stops requesting blocks until restart.","score":8.7,"severity":"high","published":"2026-11-08T01:38:01.040Z","modified":"2026-11-12T12:59:51.619Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"ZcashFoundation","name":"zebra","platforms":[],"versions":[{"version":"0","status":"affected","lessThan":"7.0.0","versionType":"semver"},{"version":"7.0.0","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected","packageURL":"pkg:cargo/zebrad","packageIdentity":{"ecosystem":"crates.io","name":"zebrad"},"cpes":[],"source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-123560"}],"remediation":[],"references":["https://github.com/ZcashFoundation/zebra/security/advisories/GHSA-9hq5-pfgc-cx5h","https://www.vulncheck.com/advisories/zebra-before-7.0.0-sync-denial-of-service-via-forged-checkpoint-block-body"],"sources":[{"name":"CVE","id":"CVE-2026-123560","modified":"2026-11-12T12:59:51.619Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-123560"}],"assessments":[{"source":"VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","score":8.7},{"source":"VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5}],"sourceAffected":[],"observedAt":"2026-11-12T20:12:40.366Z","kev":{"status":"not-listed","checkedAt":"2026-11-15T00:55:33.128Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-11-08T03:00:32.508Z","attemptedAt":"2026-11-08T03:00:32.508Z"},{"source":"GHSA","status":"no-result","checkedAt":"2026-11-08T03:00:32.387Z","attemptedAt":"2026-11-08T03:00:32.387Z"},{"source":"EUVD","status":"available","checkedAt":"2026-11-08T03:00:32.017Z","attemptedAt":"2026-11-08T03:00:32.017Z"},{"source":"EPSS","status":"no-result","checkedAt":"2026-11-08T03:00:31.863Z","attemptedAt":"2026-11-08T03:00:31.863Z"}],"evidence":[{"source":"ENISA EUVD","id":"EUVD-2026-119445","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-119445","modified":"Nov 8, 2026, 1:38:01 AM","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","checkedAt":"2026-11-08T03:00:32.017Z"},{"source":"NVD","id":"CVE-2026-123560","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-123560","modified":"2026-11-08T02:16:48.353","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","checkedAt":"2026-11-08T03:00:32.508Z"},{"source":"NVD","id":"CVE-2026-123560","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-123560","modified":"2026-11-08T02:16:48.353","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","checkedAt":"2026-11-08T03:00:32.508Z"}],"aiSummary":{"text":"Zebra before 7.0.0 has an incomplete cleanup vulnerability, allowing unauthenticated peers to stall initial sync with a forged checkpoint block body. This can cause the node to stop requesting blocks until restart. Attackers can supply a body with forged authorizing data near the final checkpoint.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-11-08T02:16:37.106Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-123560"}]}}