All vulnerabilities

Servers and applications

CVE-2026-32144

Improper Certificate Validation vulnerability in Erlang OTP public_key (pubkey_ocsp module) allows OCSP designated-responder authorization bypass via missing signature verification. The OCSP response validation in public_key:pkix_ocsp_validate/5 does not verify that a CA-designated responder certificate was cryptographically signed by the issuing CA. Instead, it only checks that the responder…

Severity
High 7.6
Published
7 Apr 2026
Last changed
24 Jul 2026
Added to UpHeron
16 Oct 2026
Fixed in
27.3.4.10, 28.4.2
Sources
NVD

Affected software

SoftwareAffected versions
Erlang/OTPServers and applications · cpe:a:erlang:erlang\/otp
  • From 27.0 before 27.3.4.10
  • From 28.0 before 28.4.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-32144
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-32144