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EEF-CVE-2026-42789 Non-CA certificate accepted as intermediate issuer in public_key path validation

🗓️ 27 May 2026 12:23:06Reported by GoogleType 
osv
 osv🔗 osv.dev👁 3 Views

Vulnerability lets non-CA certificates be used as intermediates in Erlang OTP public_key path validation, enabling chain forgery.

Related
Refs
ReporterTitlePublishedViews
Family
FreeBSD		Erlang/OTP -- public_key accepts non-CA certificate as intermediate issuer
27 May 202600:00
–freebsd
CBLMariner		CVE-2026-42789 affecting package erlang for versions less than 26.2.5.21-1
10 Jun 202602:46
–cbl_mariner
CNNVD		Erlang/OTP 安全漏洞
27 May 202600:00
–cnnvd
CVE		CVE-2026-42789
27 May 202612:23
–cve
Cvelist		CVE-2026-42789 Non-CA certificate accepted as intermediate issuer in public_key path validation
27 May 202612:23
–cvelist
Debian CVE		CVE-2026-42789
27 May 202612:23
–debiancve
Tenable Nessus		Erlang/OTP 17.0 < 26.2.5.21 / 27.0 < 27.3.4.12 / 28.0 < 28.5.0.1 / 29.0 < 29.0.1 Certificate Chain Forgery (CVE-2026-42789)
29 May 202600:00
–nessus
Tenable Nessus		FreeBSD : Erlang/OTP -- public_key accepts non-CA certificate as intermediate issuer (9357a450-5a54-11f1-b886-4c526214c986)
28 May 202600:00
–nessus
Tenable Nessus		openSUSE 16 Security Update : erlang (openSUSE-SU-2026:20907-1)
11 Jun 202600:00
–nessus
Tenable Nessus		Linux Distros Unpatched Vulnerability : CVE-2026-42789
29 May 202600:00
–nessus
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27 May 2026 16:00Current
6Medium risk
Vulners AI Score6
CVSS 47
EPSS0.00233
erlangpublic keychain forgerycertificate validationbasic constraints falsemissing key usage
3