CVE-2026-105668: hexpm hex

Hex release-age cooldown is lifted package-wide when the locked release is retired

CVSS 7.1 HighEPSS 0.0036 · 30th percentile

Published by the CVE Program (CNA: EEF) at 12 Oct 2026, 15:31 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
hexpm	hex Package name: hex pkg:otp/hex?repository_url=https:%2F%2Fgithub.com%2Fhexpm%2Fhex&vcs_url=repository_url=git%2Bhttps:%2F%2Fgithub.com%2Fhexpm%2Fhex.git	affected 2.5.0 to before 2.5.2 semver Other versions: unaffected
hexpm	hex Package name: hexpm/hex https://github.com pkg:github/hexpm/hex	affected b4e665d46be8a5f81e8cbbe4c3a67058a19cf133 to before * git Other versions: unaffected

Identifiers

CVE-2026-105668

CNA

EEF

Weakness (CWE)

CWE-693

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
7.1	High	4.0	CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	CNA (EEF)

CISA KEV Not listed.
EPSS 0.0036, the 30th 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 12 Oct 2026. New records show when each source confirmed them.

Sources

References from the CNA

github.com/hexpm/hex/security/advisories/GHSA-pqhp-5x9x-69h7 relatedvendor-advisory
cna.erlef.org/cves/CVE-2026-105668.html related
osv.dev/vulnerability/EEF-CVE-2026-105668 related
github.com/hexpm/hex/commit/b4e665d46be8a5f81e8cbbe4c3a67058a19cf133 related
github.com/hexpm/hex/commit/eed2bdf85320ae9e244629511c03f5f3f8c5d0b5 patch
github.com/hexpm/hex/commit/1b6fddfeadd98ed26a143f60356efade0494e2ae patch

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.