What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 4.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-11 · updated 2026-10-16
• Weakness: CWE-79

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.

References

• https://github.com/e2b-dev/open-computer-use
• 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://hackmd.io/@haind03/e2b-open-computer-use-html-log-injection
• https://www.vulncheck.com/advisories/open-computer-use-through-commit-610bac8-stored-xss-via-log-html-session-log
• https://hackmd.io/@haind03/cve-2026-108722-e2b-open-computer-use-html-log-injection

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