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Vulnerability record · CVE-2026-68766 · published 22 August 2026

CVE-2026-68766: Argument injection vulnerability

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.

8.5 CVSS 4.0 High EPSS 0.24% · top 87.0% CWE-88 · Argument injection Deferred
8.5CVSS 4.0 base score
0.24%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
6References
24 Sep 2026Last modified by NVD

Description

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.

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/hashcat/hashcat
https://github.com/hashcat/hashcat/blob/v7.1.2/src/restore.c#L365-L369
https://github.com/hashcat/hashcat/commit/fcae69f2438ff8eae0dc8e206b78067a1e465ed4
https://github.com/hashcat/hashcat/issues/4738
https://www.vulncheck.com/advisories/hashcat-through-arbitrary-file-write-via-restore-file-option-injection
https://github.com/hashcat/hashcat/issues/4738

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Source: NIST National Vulnerability Database (record CVE-2026-68766), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.