CVE record · CVE-2026-59696

uri_string does not bound the port component of a URI before integer conversion

CVSS 6.9 MediumEPSS 0.0071 · 53rd percentile

Published by the CVE Program (CNA: EEF) at 1 Sept 2026, 14:37 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 21.0 to before 27.3.4.17 otp affected 28.0 to before 28.5.0.6 otp affected 29.0 to before 29.0.6 otp Other versions: unaffected
Erlang	OTP Package name: stdlib pkg:otp/stdlib	affected 3.5 to before 6.2.2.5 otp affected 7.0 to before 7.3.0.2 otp affected 8.0 to before 8.0.4 otp Other versions: unaffected
Erlang	OTP Package name: erlang/otp https://github.com pkg:github/erlang/otp	affected 29a9dd0e17a97a3e6e46f0d08c6ba8f31db33f5e to before * git Other versions: unaffected

Identifiers: CVE-2026-59696
CNA: EEF
Weakness (CWE): CWE-1284
Tags: Erlang OTP
CWE-1284
Published: 1 Sept 2026
Updated: 8 Sept 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
6.9	Medium	4.0	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N	CNA (EEF)

CISA KEV Not listed.
EPSS 0.0071, the 53rd 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 1 Sept 2026. New records show when each source confirmed them.

Sources

References from the CNA

github.com/erlang/otp/security/advisories/GHSA-8qw4-2chm-mvj2 vendor-advisory
cna.erlef.org/cves/CVE-2026-59696.html related
osv.dev/vulnerability/EEF-CVE-2026-59696 related
www.erlang.org/doc/system/versions.html#order-of-versions version-scheme
github.com/erlang/otp/commit/aba0fe8c2d700bf4ac94607cf7f00e53bbe4042d patch
github.com/erlang/otp/commit/e3be1cfe9f6cedd0cd20d9905e05601dfb31c8aa 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.