CVE record · CVE-2026-42789

Non-CA certificate accepted as intermediate issuer in public_key path validation

CVSS 7.0 HighEPSS 0.0038 · 32nd percentile

Published by the CVE Program (CNA: EEF) at 27 May 2026, 12:23 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 17.0 to before * otp Other versions: unknown
Erlang	OTP Package name: public_key pkg:otp/public_key?repository_url=https:%2F%2Fgithub.com%2Ferlang%2Fotp&vcs_url=git%2Bhttps:%2F%2Fgithub.com%2Ferlang%2Fotp.git	affected 0.22 to before * otp Other versions: unknown
Erlang	OTP Package name: erlang/otp https://github.com pkg:github/erlang/otp	affected 84adefa331c4159d432d22840663c38f155cd4c1 to before * git unaffected 0a05b7ca33fb0b3f0a6cb9ae34252bb3a74032b8 to before * git unaffected 75ca4c0dc2bbdb286ac3c3fe89cb4b4d2b4dc333 to before * git unaffected 82af606b5437c4de1276dbcc8855a47e88231226 to before * git Other versions: unknown

Identifiers: CVE-2026-42789
CNA: EEF
Weakness (CWE): CWE-295 · CWE-296
Tags: Erlang OTP
Weak cryptography or TLS
CWE-296
Published: 27 May 2026
Updated: 14 Oct 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
7.0	High	4.0	CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:H/SI:H/SA:N	CNA (EEF)Used for this record
8.0	High	3.1	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N	ADP (redhat-SADP)

CISA KEV Not listed.
EPSS 0.0038, the 32nd 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 27 May 2026. New records show when each source confirmed them.

Sources

References from the CNA

github.com/erlang/otp/security/advisories/GHSA-c99q-jmpx-v8qq relatedvendor-advisory
cna.erlef.org/cves/CVE-2026-42789.html related
osv.dev/vulnerability/EEF-CVE-2026-42789 related
www.erlang.org/doc/system/versions.html#order-of-versions version-scheme
github.com/erlang/otp/commit/0a05b7ca33fb0b3f0a6cb9ae34252bb3a74032b8 patch
github.com/erlang/otp/commit/75ca4c0dc2bbdb286ac3c3fe89cb4b4d2b4dc333 patch
github.com/erlang/otp/commit/82af606b5437c4de1276dbcc8855a47e88231226 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.