Issues

• MQTT QOS2 Bugs

  warmcat/libwebsockets#3672 · Filter by author nchoi-zebra opened on Oct 2, 2026

• Server crash when starting libwebsockets HTTP server on QNX

  warmcat/libwebsockets#3671 · Filter by author nnarayanamurthy opened on Sep 29, 2026

• h2: lws_h2_bind_for_post_before_action() asserts in lws_buflist_use_segment() for POST with no Content-Length header

  warmcat/libwebsockets#3669 · Filter by author KristianIvarsson opened on Sep 15, 2026

• HTTP/2 POST streams bypass LWS_CALLBACK_HTTP_BIND_PROTOCOL when vhost has no mounts

  warmcat/libwebsockets#3668 · Filter by author KristianIvarsson opened on Sep 14, 2026
  1

• Compressed messages truncated

  warmcat/libwebsockets#3660 · Filter by author jamesfarmer opened on Aug 26, 2026
  5

• ecdh_curve from lws_context_creation_info is copied but never applied to client SSL_CTX

  warmcat/libwebsockets#3655 · Filter by author sush126 opened on Aug 14, 2026

• h2: RST_STREAM for a stream rejected in FILTER_PROTOCOL_CONNECTION sits unflushed until other traffic forces a write

  warmcat/libwebsockets#3653 · Filter by author johanneshauer opened on Aug 11, 2026
  1

• lws_get_addr_scope() compiled on LWS_PLAT_FREERTOS but never called — guard mismatch with lws_socket_bind() IPv6 path

  warmcat/libwebsockets#3645 · Filter by author aksilicon opened on Jul 24, 2026
  1

• FreeRTOS/lwIP IPv6-only: LWS compile breaks because sockaddr_in is required even when LWIP_IPV4=0

  warmcat/libwebsockets#3642 · Filter by author aksilicon opened on Jul 23, 2026
  1

• segfault in EVP_DigestInit_ex (lws_tls_client_create_vhost_context)

  warmcat/libwebsockets#3636 · Filter by author chenuduss opened on Jul 20, 2026
  3

• HardFault in _lws_plat_service_tsi(): NULL protocols[0].callback from empty "system" vhost when all LWS_WITH_SYS_* are off

  warmcat/libwebsockets#3622 · Filter by author aksilicon opened on Jun 30, 2026
  3

• mbaedtls quic support

  warmcat/libwebsockets#3615 · Filter by author saghul opened on Jun 18, 2026
  2

• Use-after-free in lws_context_destroy() with pre-natal h1 connection

  warmcat/libwebsockets#3604 · Filter by author hbock opened on Jun 11, 2026

• HTTP POSTs to Sonoff B05BL (DIY mode) fail intermittently with lws

  warmcat/libwebsockets#3599 · Filter by author RodrigoDornelles opened on Jun 8, 2026
  3

• Is the ESP related include files intentionally added for non LWS_ESP_PLATFORM? What's the workaround?

  warmcat/libwebsockets#3581 · Filter by author sa3mv3g opened on May 5, 2026
  4

• Missing definition

  warmcat/libwebsockets#3579 · Filter by author OgreTransporter opened on May 2, 2026

• How to get http POST/GET request custom header

  warmcat/libwebsockets#3571 · Filter by author linuxkungfu opened on Apr 13, 2026
  1

• Heap use after free detected in libwebsockets wsi.c

  warmcat/libwebsockets#3564 · Filter by author RubberDucky-ccc opened on Apr 2, 2026
  2

• Compiling on an old system

  warmcat/libwebsockets#3559 · Filter by author Oozlum opened on Mar 19, 2026
  13

• libuv handles keep foreign look alive

  warmcat/libwebsockets#3555 · Filter by author saghul opened on Mar 17, 2026
  4

• fetch() fails with "Network request failed: closed before established" when first DNS server is unavailable

  warmcat/libwebsockets#3552 · Filter by author pashangshangpo opened on Mar 12, 2026
  4

• segfault when lws_create_vhost failed

  warmcat/libwebsockets#3547 · Filter by author sush126 opened on Feb 12, 2026
  1

• Release builds fail to compile due to unused variable

  warmcat/libwebsockets#3545 · Filter by author electricbrass opened on Feb 9, 2026
  5

• Can the lws server handle encoded request with chunk

  warmcat/libwebsockets#3544 · Filter by author KehYiQian opened on Feb 6, 2026
  8

• Double close fd cause crash on Android

  warmcat/libwebsockets#3541 · Filter by author wxFlymes opened on Jan 29, 2026
  5