Where does the bug appear (feature/product)? Cursor IDE Describe the Bug After updating to Cursor 3.15.6, connecting to a Remote-SSH host repeatedly triggers: “Remote Extension host terminated unexpectedly 3 times within the last 5 minutes.” “Agent Execution Timed Out — The agent execution provid…

Hey, thanks for the detailed report. The environment info, logs, and what you already ruled out really help. This is a known issue we’re tracking. On 3.15.x, remote hosts on older kernel or glibc, in your case CentOS 7 / kernel 3.10 where the server uses the linux-legacy-x64 build, can crash the re…

Same Agent Execution Timed Out on Remote-SSH with Cursor 3.15.6, but this is **not** the linux-legacy / old-glibc case. **Impact:** SSH, file explorer, and the integrated terminal all work. Agent chat is completely unusable remotely. This is a severe UX break for remote Linux development. **Local*…

Hey @oula , thanks for the detailed report. The logs and the fact that you clearly separated your case from the old-kernel story really help. You’re right, your case is different from what’s described in this thread. Here the root cause is tied to the linux-legacy-x64 build on an old glibc CentOS 7 …

@deanrie opened a separate thread for the linux-x64 / glibc 2.35 case as requested: [image] 3.15.6 Remote-SSH Agent Execution Timed Out on Ubuntu 22.04 (linux-x64 / glibc 2.35) Bug Reports Where does the bug appear (feature/product)? Cursor IDE Describe the B…

I’ve encountered the same situation as well.

Hey all! The situation should be improved on v3.18, which will roll out soon! Please upgrade and let us know if you still encounter an issue.

I encountered the same problem after I upgraded from 3.18.x to 3.18.9. Version: 3.18.9 (Universal) VS Code Extension API: 1.128.0 Commit: 2ba48ff3f7514cc4643c52ca9f7b3173d9b66130 Date: 2026-08-27T01:42:22.092Z Layout: IDE Build Type: Stable Release Track: Default Electron: 40.10.3 Chromium:…

Agent Execution Timed Out / Remote Extension Host crash loop on Remote-SSH — regression in 3.15.6, fixed by downgrading to 3.14.27

Support Bug Reports

oula (Wangyonghui2018) August 15, 2026, 8:06am 9

@deanrie opened a separate thread for the linux-x64 / glibc 2.35 case as requested:

Topic		Replies	Views
3.15.6 Remote-SSH Agent Execution Timed Out on Ubuntu 22.04 (linux-x64 / glibc 2.35) Bug Reports chat , extensions , ssh	13	231	September 17, 2026
Remote-SSH agent fails: "agent execution provider did not respond in time" — remote extension host never activates the agent executor Bug Reports ssh , linux	2	202	June 11, 2026
Regression in Cursor 3.15.6: Remote SSH Extension Host crashes with SIGSEGV on Debian 9 (linux-legacy-x64) Bug Reports extensions , ssh , crashes , linux	6	331	August 27, 2026
Agent Execution Timed Out only when using SSH / Remote SSH on macOS Bug Reports ssh	12	392	June 9, 2026
Remote SSH agents fail with ERROR_EXTENSION_HOST_TIMEOUT — cursor-agent-exec is installed but never activates Bug Reports chat , ssh , agents-window	11	283	September 23, 2026

Agent Execution Timed Out / Remote Extension Host crash loop on Remote-SSH — regression in 3.15.6, fixed by downgrading to 3.14.27

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