Improper Certificate Validation in Erlang OTP - CVE-2026-32144
Published: April 10, 2026
Vulnerability identifier: #VU125778
CSH Severity: High
CVSS v4: 8.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-32144
CWE-ID: CWE-295
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass certificate-based authentication.
The vulnerability exists due to improper certificate validation in OCSP designated-responder authorization handling when validating OCSP responses. A remote attacker can provide a crafted OCSP response to bypass certificate-based authentication.
Exploitation requires control of, or a man-in-the-middle position over, the server being validated.
Affected software
Erlang OTP
Debian Linux
erlang (Debian package)
Debian Linux
erlang (Debian package)
How to mitigate CVE-2026-32144
Install security update from vendor's website.
Erlang OTP - addressed in versions 27.3.4.10, 28.4.2
erlang (Debian package) - update to 1:27.3.4.1+dfsg-1+deb13u3
erlang (Debian package) - update to 1:27.3.4.1+dfsg-1+deb13u3