Vulnerability in Hashcat
CVE-2026-68766
hashcat fails to restrict command-line options when parsing restore files, allowing attackers to inject output-redirecting options like --outfile and --potfile-path. Attackers can craft restore files with malicious options to append attacker-controlled content to arbitrary files, enabling code execution when targeting shell startup files.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (13.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 13.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.001
Affected products
Weakness classification (CWE)
References
- github.com/hashcat/hashcat/issues/4738 (issue-tracking)
- github.com/hashcat/hashcat (product)
- github.com/hashcat/hashcat/commit/fcae69f2438ff8eae0dc8e206b78067a1e465ed4 (patch)
- github.com/hashcat/hashcat/blob/v7.1.2/src/restore.c (technical-description)
- www.vulncheck.com/advisories/hashcat-through-arbitrary-file-write-via-restore-f… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-68766?
- CVE-2026-68766 is a high-severity vulnerability in Hashcat, classified under Argument Injection. CVSS score: 7.8/10. Published 2026-08-22.
- How severe is CVE-2026-68766?
- High severity. CVSS v3 base score is 7.8 out of 10.