CVE-2026-68956: Erlang OTP

SSH daemon allocates unbounded idle session channels, bypassing max_channels

CVSS 7.1 HighEPSS 0.0038 · 31st percentile

Published by the CVE Program (CNA: EEF) at 22 Sept 2026, 08:49 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
Erlang	OTP Package name: otp pkg:software-id/erlang.org/otp	affected 18.1.2 to before * otp Other versions: unknown
Erlang	OTP Package name: ssh pkg:otp/ssh	affected 4.1.1 to before * otp Other versions: unknown
Erlang	OTP Package name: erlang/otp https://github.com pkg:github/erlang/otp	affected 84df3d4d0278e21a36a453bfee94799f0df67c2a to before * git unaffected 79c2d2be17d902c5f53969b5806b725efda831be to before * git unaffected e18100975f0e5a8d59d02de00df12247a91b443b to before * git unaffected e2bbad0107bba41491a4d549686fd023db8740da to before * git Other versions: unknown

Identifiers

CVE-2026-68956

CNA

EEF

Weakness (CWE)

CWE-770

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:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N	CNA (EEF)

CISA KEV Not listed.
EPSS 0.0038, the 31st 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 Sept 2026. New records show when each source confirmed them.

Sources

References from the CNA

github.com/erlang/otp/security/advisories/GHSA-qhcm-px9c-rvfh relatedvendor-advisory
cna.erlef.org/cves/CVE-2026-68956.html related
osv.dev/vulnerability/EEF-CVE-2026-68956 related
www.erlang.org/doc/system/versions.html#order-of-versions version-scheme
github.com/erlang/otp/commit/84df3d4d0278e21a36a453bfee94799f0df67c2a related
github.com/erlang/otp/commit/79c2d2be17d902c5f53969b5806b725efda831be patch
github.com/erlang/otp/commit/e18100975f0e5a8d59d02de00df12247a91b443b patch
github.com/erlang/otp/commit/e2bbad0107bba41491a4d549686fd023db8740da 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.