EUVD-2026-69242

An attacker that connects to an open Erlang TCP port that uses the inet driver with packet,4 mode can use a signed overflow in an incorrect packet length calculation to overflow the receive buffer into the VM allocator area and beyond up to about 2 GB. This would easily trash the allocated block'...

EEF-CVE-2026-74994 inets, httpd: Authentication Bypass via Directory Namespace Collapse in httpd mod_auth

Summary The modauth module in OTP's inets httpd server, when configured with dets or mnesia authentication backends and multiple directory configuration blocks, collapses all directory blocks into a single shared user/group namespace. A user added to one protected directory is accepted as valid f...

CVE-2026-74835 inets,httpd: Memory Exhaustion via Unenforced max_body_size During Chunked Body Reception

The inets application HTTP server httpd fails to enforce a configured body-size limit on chunked request. This issue affects OTP from OTP 17.0 before OTP 27.3.4.17, from OTP 28.0 before OTP 28.5.0.6, and from OTP 29.0 before OTP 29.0.6, corresponding to inets from 5.10 before 9.3.2.7, from 9.4...

CVE-2026-74835 inets,httpd: Memory Exhaustion via Unenforced max_body_size During Chunked Body Reception

The inets application HTTP server httpd fails to enforce a configured body-size limit on chunked request. This issue affects OTP from OTP 17.0 before OTP 27.3.4.17, from OTP 28.0 before OTP 28.5.0.6, and from OTP 29.0 before OTP 29.0.6, corresponding to inets from 5.10 before 9.3.2.7, from 9.4...

CVE-2026-74835

The inets application's httpd HTTP server in Erlang/OTP fails to enforce a configured body-size limit on chunked requests, leading to memory exhaustion . The vulnerability is rated CVSS 4.0: 8.7 (HIGH) with high availability impact, low attack complexity, and no privileges required. Affected vers...

EUVD-2026-69238

The inets application HTTP server httpd fails to enforce a configured body-size limit on chunked request. This issue affects OTP from OTP 17.0 before OTP 27.3.4.17, from OTP 28.0 before OTP 28.5.0.6, and from OTP 29.0 before OTP 29.0.6, corresponding to inets from 5.10 before 9.3.2.7, from 9.4...

CVE-2026-74835 inets,httpd: Memory Exhaustion via Unenforced max_body_size During Chunked Body Reception

The inets application HTTP server httpd fails to enforce a configured body-size limit on chunked request. This issue affects OTP from OTP 17.0 before OTP 27.3.4.17, from OTP 28.0 before OTP 28.5.0.6, and from OTP 29.0 before OTP 29.0.6, corresponding to inets from 5.10 before 9.3.2.7, from 9.4...

CVE-2026-73812

Erlang/OTP inets (HTTP server module) is vulnerable to HTTP Request Smuggling (CL.TE desync) when deployed behind a Content-Length-preferring front-end proxy. The root cause is in httpd:check_header/3 , which rejects duplicate Content-Length headers but never validates the simultaneous presence o...

CVE-2026-73812

httpd function checkheader/3 rejects duplicate Content-Length per CVE-2026-23941 but never checks for the TE+CL co-presence that RFC 9112 §6.3 identifies as a probable smuggling attempt. handlebody/3 frames by chunked and silently discards Content-Length. A CL-preferring front-end paired with...

CVE-2026-73812 inets, httpd: HTTP Request Smuggling via Transfer-Encoding and Content-Length

httpd function checkheader/3 rejects duplicate Content-Length per CVE-2026-23941 but never checks for the TE+CL co-presence that RFC 9112 §6.3 identifies as a probable smuggling attempt. handlebody/3 frames by chunked and silently discards Content-Length. A CL-preferring front-end paired with...

EUVD-2026-69235

httpd function checkheader/3 rejects duplicate Content-Length per CVE-2026-23941 but never checks for the TE+CL co-presence that RFC 9112 §6.3 identifies as a probable smuggling attempt. handlebody/3 frames by chunked and silently discards Content-Length. A CL-preferring front-end paired with...

CVE-2026-73812 inets, httpd: HTTP Request Smuggling via Transfer-Encoding and Content-Length

httpd function checkheader/3 rejects duplicate Content-Length per CVE-2026-23941 but never checks for the TE+CL co-presence that RFC 9112 §6.3 identifies as a probable smuggling attempt. handlebody/3 frames by chunked and silently discards Content-Length. A CL-preferring front-end paired with...

CVE-2026-73812 inets, httpd: HTTP Request Smuggling via Transfer-Encoding and Content-Length

httpd function checkheader/3 rejects duplicate Content-Length per CVE-2026-23941 but never checks for the TE+CL co-presence that RFC 9112 §6.3 identifies as a probable smuggling attempt. handlebody/3 frames by chunked and silently discards Content-Length. A CL-preferring front-end paired with...

EEF-CVE-2026-73812 inets, httpd: HTTP Request Smuggling via Transfer-Encoding and Content-Length

Summary httpd function checkheader/3 rejects duplicate Content-Length per CVE-2026-23941 but never checks for the TE+CL co-presence that RFC 9112 §6.3 identifies as a probable smuggling attempt. handlebody/3 frames by chunked and silently discards Content-Length. A CL-preferring front-end paired...

CVE-2026-73276

CVE-2026-73276 is an HTTP Request Smuggling vulnerability in the inets/httpd component of Erlang/OTP , rated CVSS 4.0 8.3 (HIGH) . The root cause is that the gracefulness code in inets failed to reject headers containing whitespace before the colon , leading to header-dropping inconsistencies tha...

CVE-2026-73276 inets, httpd: HTTP Request Smuggling via Whitespace-Before-Colon Header Dropping i

Gracefulness code ignored cases that should be rejected, resulting in possible HTTP Request Smuggling opportunities. This issue affects OTP from OTP 22.2 before OTP 27.3.4.17, from OTP 28.0 before OTP 28.5.0.6, and from OTP 29.0 before OTP 29.0.6, corresponding to inets from 7.1.2 before 9.3.2.7,...

EUVD-2026-69233

Gracefulness code ignored cases that should be rejected, resulting in possible HTTP Request Smuggling opportunities. This issue affects OTP from OTP 22.2 before OTP 27.3.4.17, from OTP 28.0 before OTP 28.5.0.6, and from OTP 29.0 before OTP 29.0.6, corresponding to inets from 7.1.2 before 9.3.2.7,...

CVE-2026-73276 inets, httpd: HTTP Request Smuggling via Whitespace-Before-Colon Header Dropping i

Gracefulness code ignored cases that should be rejected, resulting in possible HTTP Request Smuggling opportunities. This issue affects OTP from OTP 22.2 before OTP 27.3.4.17, from OTP 28.0 before OTP 28.5.0.6, and from OTP 29.0 before OTP 29.0.6, corresponding to inets from 7.1.2 before 9.3.2.7,...

CVE-2026-73276 inets, httpd: HTTP Request Smuggling via Whitespace-Before-Colon Header Dropping i

Gracefulness code ignored cases that should be rejected, resulting in possible HTTP Request Smuggling opportunities. This issue affects OTP from OTP 22.2 before OTP 27.3.4.17, from OTP 28.0 before OTP 28.5.0.6, and from OTP 29.0 before OTP 29.0.6, corresponding to inets from 7.1.2 before 9.3.2.7,...

CVE-2026-73276

Gracefulness code ignored cases that should be rejected, resulting in possible HTTP Request Smuggling opportunities. This issue affects OTP from OTP 22.2 before OTP 27.3.4.17, from OTP 28.0 before OTP 28.5.0.6, and from OTP 29.0 before OTP 29.0.6, corresponding to inets from 7.1.2 before 9.3.2.7,...