Issues

• KasmVNC memory leak grows ~0.6–1.2 GiB/hour continuously

  kasmtech/KasmVNC#383 · Filter by author akniy opened on Oct 29, 2026
  

• Congestion control holds back updates when the round trip time varies, as on mobile networks

  kasmtech/KasmVNC#381 · Filter by author Chengzhir opened on Oct 28, 2026
  

• WebGL video renderer freezes in image mode and is misplaced after resizing the window

  kasmtech/KasmVNC#380 · Filter by author Chengzhir opened on Oct 28, 2026
  

• Skip unchanged macroblocks in software H.264 by passing the changed region to x264

  kasmtech/KasmVNC#379 · Filter by author Chengzhir opened on Oct 27, 2026
  

• Displays button does nothing in browsers without SharedWorker

  kasmtech/KasmVNC#378 · Filter by author Chengzhir opened on Oct 27, 2026
  

• Each H.264 keyframe delays the next frame by about one round trip during scrolling

  kasmtech/KasmVNC#377 · Filter by author Chengzhir opened on Oct 27, 2026
  

• TLS state leaks for every plain HTTP request on the websocket port

  kasmtech/KasmVNC#376 · Filter by author hermannchristopher opened on Oct 19, 2026
  

• Xvnc -hw3d retains AMDGPU GTT buffers after browser windows close

  kasmtech/KasmVNC#375 · Filter by author Dropje97 opened on Sep 29, 2026

• VideoFrame was garbage collected without being closed. Applications should call close() on frames when done with them to prevent stalls.

  kasmtech/KasmVNC#374 · Filter by author ctllo-bit opened on Sep 28, 2026
  2

  

• Web client: unhandled InvalidStateError from ClipboardItem.getType() triggers the fatal error overlay on Chrome (seamless clipboard)

  kasmtech/KasmVNC#373 · Filter by author anatoly314 opened on Sep 18, 2026
  1

• AltGr (ISO_Level3_Shift) allocated to a dynamic spare keycode instead of the real layout keycode — breaks nested-RDP AltGr handling

  kasmtech/KasmVNC#370 · Filter by author N3m3515 opened on Aug 31, 2026
  1

• Version number in Control Panel's Setting menu

  kasmtech/KasmVNC#368 · Filter by author crfflaa opened on Aug 10, 2026

• Please enable security advisory. There are several severe security issues to be reported

  kasmtech/KasmVNC#367 · Filter by author asdf2adsfad opened on Jul 22, 2026

• Add brave-origin as a workspace image.

  kasmtech/KasmVNC#366 · Filter by author anoo2niem opened on Jun 27, 2026

• Xkasmvnc: 'vncExtInit: failed to bind socket: Address already in use (98)' in Docker with network_mode: host — fails on all display numbers

  kasmtech/KasmVNC#363 · Filter by author dop-amine opened on Jun 3, 2026
  2

• KasmVNC does not correctly transmit shifted key combinations (Ctrl+Shift+Minus → underscore)

  kasmtech/KasmVNC#357 · Filter by author dwave-chua opened on Apr 10, 2026
  1

• Segfault on 16bpp connections in KasmVNC 1.4.0 (GetAPIMessager::mainUpdateScreen)

  kasmtech/KasmVNC#355 · Filter by author jahknem opened on Mar 16, 2026

• how to custom left panel

  kasmtech/KasmVNC#351 · Filter by author zhyit opened on Jan 29, 2026

• Url produced but not valid

  kasmtech/KasmVNC#350 · Filter by author hailleysiswanto opened on Jan 27, 2026
  1

• /etc/ssl/private directory permission problem starting vncserver

  kasmtech/KasmVNC#348 · Filter by author n7ihq opened on Jan 16, 2026
  2

• data_loss_prevention policies for individual users

  kasmtech/KasmVNC#346 · Filter by author MrYellowSock opened on Jan 11, 2026

• [macos] mouse and keyboard aren't functional after screenshot

  kasmtech/KasmVNC#341 · Filter by author gnawhleinad opened on Oct 17, 2025

• QEMU builds with kasmvnc as default vnc implementation

  kasmtech/KasmVNC#340 · Filter by author x-0D opened on Oct 10, 2025
  1

• imagine using firefox without sound. the best youtube ever

  kasmtech/KasmVNC#339 · Filter by author strunzoz opened on Oct 6, 2025
  1

• KasmVNC Setup on Ubuntu 25.04 – Issues and Incomplete Behavior

  kasmtech/KasmVNC#338 · Filter by author jbrepogmailcom opened on Sep 21, 2025