CVE-2026-68768: hashcat hashcat

hashcat through 7.1.2 Heap Buffer Overflow in outfile_write() via Oversized Username

CVSS 6.9 MediumEPSS 0.0021 · 11th percentile

Published by the CVE Program (CNA: VulnCheck) at 22 Aug 2026, 14:12 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
hashcat	hashcat	affected 7.1.2 and earlier semver Other versions: unaffected

Identifiers

CVE-2026-68768

CNA

VulnCheck

Weakness (CWE)

CWE-120

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
6.9	Medium	4.0	CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N	CNA (VulnCheck)Used for this record
6.1	Medium	3.1	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H	CNA (VulnCheck)

CISA KEV Not listed.
EPSS 0.0021, the 11th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 22 Aug 2026. New records show when each source confirmed them.

Sources

References from the CNA

github.com/hashcat/hashcat/issues/4740 issue-tracking
github.com/hashcat/hashcat product
github.com/hashcat/hashcat/commit/68f56a2d8712867a8520bf4dcf07f6145c23df89 patch
github.com/hashcat/hashcat/blob/v7.1.2/src/outfile.c#L654-L668 technical-description
www.vulncheck.com/advisories/hashcat-through-heap-buffer-overflow-in-outfile-write-via-oversized-username third-party-advisory

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.