Vulnerability in e2b-dev open-computer-use

[ Why it matters ]Priority signals

• Public proof-of-concept exploit exists (CISA SSVC)

[ Description ]Official description

open-computer-use through commit 610bac8 contains a stored cross-site scripting vulnerability in Logger.write_log_file in os_computer_use/logging.py, which writes transcript text into log.html without HTML escaping. Attackers controlling sandbox content, such as web pages or files appearing in run_command output, can inject script that runs when operators open the log, exfiltrating transcript contents.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

• github.com/e2b-dev/open-computer-use
• github.com/e2b-dev/open-computer-use/blob/610bac85d242b2fdf43fbe36bce2348658a2d4c9/os_c…
• github.com/e2b-dev/open-computer-use/blob/610bac85d242b2fdf43fbe36bce2348658a2d4c9/os_c…
• hackmd.io/@haind03/e2b-open-computer-use-html-log-injection
• www.vulncheck.com/advisories/open-computer-use-through-commit-610bac8-stored-xss-via-lo…
• hackmd.io/@haind03/cve-2026-108722-e2b-open-computer-use-html-log-injection