TI-2026-27778 Aliases CVE-2026-35679 GHSA-mh64-f367-wjjw

Zcash zcashd before 6.12.0 allows invalid transactions to be accepted under certain…

LOW 16CWE-358Published 2026-04-05 · Updated 2026-04-06

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: High
Impact type: —
Confidentiality · integrity · availability: None · Low · None
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

Zcash zcashd before 6.12.0 allows invalid transactions to be accepted under certain conditions, which potentially could have resulted in the draining of user funds from the Sprout pool. It was sometimes not verifying Sprout proofs.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00224 13th percentileScored 2026-11-07

Fix Fixed zcashd (Zcash): 6.12.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Zcash	zcashd	before 6.12.0	6.12.0	Patch available	CNA

zcashd VendorZcash Affected before 6.12.0 Fixed in 6.12.0 Patch available CNA

Remediation

Fix · CNA zcashd (Zcash) Fixed in 6.12.0

Timeline

2026-10-02 Threatist record created from CVE-2026-35679
2026-10-03 Alias added: GHSA-mh64-f367-wjjw

References

Other 2

TI-2026-39342 Insufficient verification of data authenticity in ZcashFoundation zebra CVSS 3.1CRITICAL 9.3
TI-2019-08706 Zcash 2.x allows an inexpensive approach to "fill all transactions of all blocks" and… CVSS 3.0HIGH 7.5
TI-2019-05084 Zcash, before the Sapling network upgrade (2018-10-28), had a counterfeiting… CVSS 3.0HIGH 7.5
TI-2019-12629 Zcashd in Zcash before 2.0.7-3 allows discovery of the IP address of a full node that… CVSS 3.1MEDIUM 5.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences