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,...

EEF-CVE-2026-66357 inets,httpd:HTTP Request Smuggling via obs-fold Header Continuation

Summary httpd has never implemented obs-fold RFC 2616 §2.2 / RFC 7230 §3.2.4 header continuation lines. Every CRLF followed by a non-CRLF octet unconditionally starts a new header. This missing feature became a security concern as the understanding of HTTP request smuggling attacks evolved. This...

CVE-2026-66357 inets,httpd:HTTP Request Smuggling via obs-fold Header Continuation

httpd has never implemented obs-fold RFC 2616 §2.2 / RFC 7230 §3.2.4 header continuation lines. Every CRLF followed by a non-CRLF octet unconditionally starts a new header. This missing feature became a security concern as the understanding of HTTP request smuggling attacks evolved. This issue...

CVE-2026-66357 inets,httpd:HTTP Request Smuggling via obs-fold Header Continuation

httpd has never implemented obs-fold RFC 2616 §2.2 / RFC 7230 §3.2.4 header continuation lines. Every CRLF followed by a non-CRLF octet unconditionally starts a new header. This missing feature became a security concern as the understanding of HTTP request smuggling attacks evolved. This issue...

CVE-2026-66357

Erlang/OTP's inets httpd component has never implemented obs-fold (RFC 2616 §2.2 / RFC 7230 §3.2.4 header continuation lines), meaning every CRLF followed by a non-CRLF octet unconditionally starts a new header. This missing feature enables HTTP request smuggling against servers built on this com...

CVE-2026-71380

Missing Release of Resource after Effective Lifetime vulnerability in Erlang/OTP inets httpd allows an unauthenticated remote attacker to cause denial of service by sending valid request headers with a large Content-Length and then stalling before the body is complete...

CVE-2026-71380 httpd applies no timeout while receiving a request body, parking a worker on a stalled client

Missing Release of Resource after Effective Lifetime vulnerability in Erlang/OTP inets httpd allows an unauthenticated remote attacker to cause denial of service by sending valid request headers with a large Content-Length and then stalling before the body is complete...

CVE-2026-71380 httpd applies no timeout while receiving a request body, parking a worker on a stalled client

Missing Release of Resource after Effective Lifetime vulnerability in Erlang/OTP inets httpd allows an unauthenticated remote attacker to cause denial of service by sending valid request headers with a large Content-Length and then stalling before the body is complete...

CVE-2026-71380

CVE-2026-71380 is a Missing Release of Resource after Effective Lifetime vulnerability in Erlang/OTP inets httpd . An unauthenticated remote attacker can trigger a denial of service by sending valid request headers declaring a large Content-Length and then stalling before the body is complete. In...

CVE-2026-70399

Allocation of Resources Without Limits or Throttling vulnerability in Erlang/OTP inets httpd allows an unauthenticated remote attacker to cause denial of service by opening and holding open a large number of connections. The maxclients option is documented to default to 150, and the inets hardeni...

CVE-2026-70399 httpd does not enforce the documented default max_clients connection limit

Allocation of Resources Without Limits or Throttling vulnerability in Erlang/OTP inets httpd allows an unauthenticated remote attacker to cause denial of service by opening and holding open a large number of connections. The maxclients option is documented to default to 150, and the inets hardeni...

PT-2026-84267

Name of the Vulnerable Software and Affected Versions inets versions 5.10 through 9.3.2.6 inets versions 9.4 through 9.6.2.2 inets versions 9.7 through 9.7.1 Description The inets application HTTP server httpd fails to enforce a configured body-size limit when processing chunked requests. Chunked...

CVE-2026-69664: Missing Release of Resource after Effective Lifetime

Missing Release of Resource after Effective Lifetime vulnerability in Erlang/OTP inets httpd allows an unauthenticated remote attacker to cause denial of service by sending a request with a chunked body whose chunk-size line is not a hexadecimal number. The worker serving the connection is never...

PT-2026-84258

Name of the Vulnerable Software and Affected Versions Erlang/OTP versions 17.0 through 27.3.4.16 Erlang/OTP versions 28.0 through 28.5.0.5 Erlang/OTP versions 29.0 through 29.0.5 Description A path equivalence issue in the inets httpd allows a remote unauthenticated attacker to read files within ...

PT-2026-89924

Improper Handling of Case Sensitivity vulnerability in Erlang/OTP inets httpd allows a remote unauthenticated attacker to read files inside a mod auth protected directory by requesting them with different casing, on deployments whose filesystem is case-insensitive. mod auth:secret path/3 decides...

PT-2026-89927

The mod auth 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 for all...

PT-2026-84257

Name of the Vulnerable Software and Affected Versions OTP versions 17.0 through 27.3.4.16 OTP versions 28.0 through 28.5.0.5 OTP versions 29.0 through 29.0.5 inets versions 5.10 through 9.3.2.6 inets versions 9.4 through 9.6.2.2 inets versions 9.7 through 9.7.1 Description httpd does not implemen...

PT-2026-84262

Name of the Vulnerable Software and Affected Versions Erlang/OTP versions 17.0 through 27.3.4.16 Erlang/OTP versions 28.0 through 28.5.0.5 Erlang/OTP versions 29.0 through 29.0.5 Description A resource leak in the inets httpd component allows an unauthenticated remote attacker to cause a denial o...

Erlang/OTP -- multiple vulnerabilities in inets, stdlib, snmp and eldap

The Erlang/OTP project reports: OTP 29.0.6, 28.5.0.6 and 27.3.4.17 fix the following issues, most of them in the inets httpd and httpc implementations: CVE-2026-55951: httpc Memory Exhaustion via Unbounded Header Accumulation. CVE-2026-59696: stdlib: Denial-of-Service enabled by Unbounded Integer...

Astra Linux – Vulnerability in Erlang

Inconsistent interpretation of HTTP requests: The “HTTP Request Smuggling” vulnerability in Erlang OTP inets httpd module allows for HTTP requests to be disguised. This vulnerability is associated with the program file lib/inets/src/httpserver/httpdrequest.erl and the routine...