--- title: "CVE-2026-94200: Erlang OTP ssl - Denial of Service" description: "Erlang OTP ssl (tls_handshake_1_3, ssl_handshake, tls_client_ticket_store) < 11.2.12.14, 11.6.0.7, 11.7.8 contains a denial of service caused by improper validation of NewSessionTicket extensions, letting malicious TLS 1.3 servers crash ssl application on client nodes, exploit requires malicious TLS 1.3 server." url: https://panop.io/threat-heartbeat/CVE-2026-94200/ --- # CVE-2026-94200 Erlang OTP ssl - Denial of Service Erlang OTP ssl (tls\_handshake\_1\_3, ssl\_handshake, tls\_client\_ticket\_store) < 11.2.12.14, 11.6.0.7, 11.7.8 contains a denial of service caused by improper validation of NewSessionTicket extensions, letting malicious TLS 1.3 servers crash ssl application on client nodes, exploit requires malicious TLS 1.3 server. CVSS base score 8.2 /10 High CISA KEV Not listed Public exploit None known Authentication Not required [View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-94200) ## Details Type Denial of Service Impact Denial Of Service CVSS vector CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Published 14 October 2026 Updated 15 October 2026 Weakness [CWE-1288](https://cwe.mitre.org/data/definitions/1288.html) ## Vendor fix Update to OTP 27.3.4.19, 28.5.0.8, 29.1.2 or ssl 11.2.12.14, 11.6.0.7, 11.7.8 or later. Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them. ## References - [https://nvd.nist.gov/vuln/detail/CVE-2026-94200](https://nvd.nist.gov/vuln/detail/CVE-2026-94200) - [https://github.com/erlang/otp/commit/0abe6f66db0d295cd06b0efab3bdb3caa2803930](https://github.com/erlang/otp/commit/0abe6f66db0d295cd06b0efab3bdb3caa2803930) - [https://github.com/erlang/otp/commit/66febc190e6dc42a5c4aedbfe250bf9a2edc2d5e](https://github.com/erlang/otp/commit/66febc190e6dc42a5c4aedbfe250bf9a2edc2d5e) - [https://github.com/erlang/otp/commit/cd0334854bf3ef56dc16f9fb728efe88fb05c4ac](https://github.com/erlang/otp/commit/cd0334854bf3ef56dc16f9fb728efe88fb05c4ac) - [https://github.com/erlang/otp/security/advisories/GHSA-m5mh-q53w-67jq](https://github.com/erlang/otp/security/advisories/GHSA-m5mh-q53w-67jq) - [https://osv.dev/vulnerability/EEF-CVE-2026-94200](https://osv.dev/vulnerability/EEF-CVE-2026-94200) - [https://www.erlang.org/doc/system/versions.html#order-of-versions](https://www.erlang.org/doc/system/versions.html#order-of-versions) - [https://cna.erlef.org/cves/CVE-2026-94200.html](https://cna.erlef.org/cves/CVE-2026-94200.html) - [https://github.com/erlang/otp/commit/00a333bcf2800b69f540369b54167e897dae7219](https://github.com/erlang/otp/commit/00a333bcf2800b69f540369b54167e897dae7219) [← All CVEs](https://panop.io/threat-heartbeat/) ## What this record can't tell you - Whether you run the affected software, and where - Whether an attacker can actually reach and exploit it - The misconfigurations that never get a CVE number - What it would cost the business, ranked into what to fix first Panop answers these inside your environment, for this CVE and every other finding. [Book a demo](https://panop.io/demo)