RCE in Zcashfoundation Zebra
CVE-2026-34202
ZEBRA is a Zcash node written entirely in Rust. Prior to zebrad version 4.3.0 and zebra-chain version 6.0.1, a vulnerability in Zebra's transaction processing logic allows a remote, unauthenticated attacker to cause a Zebra node to panic (…
Vulnerability class: RCE (Remote Code Execution)
EPSS: 0.007 (50.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Zcashfoundation Zebra — versions < 4.3.0
- Zcashfoundation Zebra-chain — versions < 6.0.1
- Zfnd Zebra
- Zfnd Zebra-chain
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
- security-advisories@github.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-34202?
- CVE-2026-34202 is a high-severity vulnerability in Zcashfoundation Zebra, classified under Code Injection. CVSS score: 7.5/10. Published 2026-03-31.
- How severe is CVE-2026-34202?
- High severity. CVSS v3 base score is 7.5 out of 10.