CVE record · CVE-2026-54886

SSH SFTP server denial of service via extended channel data infinite loop

CVSS 5.3 MediumEPSS 0.0033 · 26th percentile

Published by the CVE Program (CNA: EEF) at 2 Jul 2026, 16:06 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: ssh pkg:otp/ssh?repository_url=https:%2F%2Fgithub.com%2Ferlang%2Fotp&vcs_url=git%20https:%2F%2Fgithub.com%2Ferlang%2Fotp.git	affected 3.0.1 to before * otp Other versions: unaffected
Erlang	OTP Package name: erlang/otp https://github.com pkg:github/erlang/otp	affected 17.0 to before * otp affected 84adefa3318eef8631bf25cd233246a86eea18cd to before eaf9550b8ad4738b81149d3f617102d980c6dd18 git Other versions: unaffected

Identifiers: CVE-2026-54886
CNA: EEF
Weakness (CWE): CWE-400 · CWE-835
Tags: Erlang OTP
Denial of service
Published: 2 Jul 2026
Updated: 24 Jul 2026

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
5.3	Medium	4.0	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N	CNA (EEF)

CISA KEV Not listed.
EPSS 0.0033, the 26th 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 2 Jul 2026. New records show when each source confirmed them.

Sources

References from the CNA

github.com/erlang/otp/security/advisories/GHSA-7wp4-pc27-2vj9 vendor-advisoryrelated
cna.erlef.org/cves/CVE-2026-54886.html related
osv.dev/vulnerability/EEF-CVE-2026-54886 related
www.erlang.org/doc/system/versions.html#order-of-versions version-scheme
github.com/erlang/otp/commit/eaf9550b8ad4738b81149d3f617102d980c6dd18 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.