CVE-2026-123558

7.5 HIGHpublic exploit available

Published 2026-11-08 · Updated 2026-11-09

AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.

NVD description

Zebra zebrad before 7.0.0 contains a denial of service vulnerability that allows a malicious peer to stall checkpoint sync by cancelling the verifier rewind after a failed commit. Attackers can serve a forged block with altered authorizing data plus a restart-triggering block, leaving the verifier rejecting honest blocks until restart.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CWE-460

Public exploit & PoC references

https://github.com/ZcashFoundation/zebra/security/advisories/GHSA-2w9f-9wx8-f5c8

All references

https://github.com/ZcashFoundation/zebra/security/advisories/GHSA-2w9f-9wx8-f5c8
https://www.vulncheck.com/advisories/zebra-before-7.0.0-checkpoint-sync-denial-of-service-via-cancelled-verifier-rewind

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

Related CVEs

UNSCOREDCVE-2026-111103PoC
LOWCVE-2026-112326
UNSCOREDCVE-2026-57890
HIGHCVE-2026-61387PoC
HIGHCVE-2026-93710PoC
MEDIUMCVE-2026-96273PoC

Related by shared AI tags and CWE weakness class. Browse the full archive.