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CVE-2026-41583

ZEBRA is a Zcash node written entirely in Rust. Prior to zebrad version 4.3.1 and prior to zebra-script version 5.0.2, after a refactoring, Zebra failed to validate a consensus rule that restricted the possible values of sighash hash types for V5 transactions which were enabled in the NU5 network upgrade. Zebra nodes could thus accept and eventually mine a block that would be considered invalid by zcashd nodes, creating a consensus split between Zebra and zcashd nodes. In a similar vein, for V4
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:ec81f5399a71f21ba282791bacfef123f748ee8f79294ed679559f34386bd584
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"zebra","vendor":"ZcashFoundation","versions":[{"status":"affected","version":"zebrad < 4.3.1"},{"status":"affected","version":"zebra-script < 5.0.2"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cf243f17d649b9971a9ce71f8a0749ea8f1574d4d0c458afe51c6186c3dbbfbc · sha256:7701eb0d3c6891b0… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.3,"baseSeverity":"CRITICAL","privilegesRequired":"NONE","subAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"HIGH","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:H/SA:H","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:cf243f17d649b9971a9ce71f8a0749ea8f1574d4d0c458afe51c6186c3dbbfbc · sha256:7701eb0d3c6891b0… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-573","description":"CWE-573: Improper Following of Specification by Caller","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:cf243f17d649b9971a9ce71f8a0749ea8f1574d4d0c458afe51c6186c3dbbfbc · sha256:7701eb0d3c6891b0… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"name":"https://github.com/ZcashFoundation/zebra/security/advisories/GHSA-8m29-fpq5-89jj","tags":["x_refsource_CONFIRM"],"url":"https://github.com/ZcashFoundation/zebra/security/advisories/GHSA-8m29-fpq5-89jj"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cf243f17d649b9971a9ce71f8a0749ea8f1574d4d0c458afe51c6186c3dbbfbc · sha256:7701eb0d3c6891b0… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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