CVE-2026-30631
Arbitrary code execution via crafted path to computer_write_file in bytebot-ai
Is CVE-2026-30631 being exploited?
Not confirmed. CVE-2026-30631 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.73% probability of exploitation in the next 30 days.
How severe is CVE-2026-30631?
CVE-2026-30631 is rated Critical with a CVSS score of 9.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-30631?
Not known from our data. No patch reference has been recorded for CVE-2026-30631, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-30631 affect?
CVE-2026-30631 affects bytebot-ai (commit 3d37894ce07ef8d8b40adc7fd309ad96c2a71313), deployments using affected builds. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-30631?
Update to a patched release or disable computer_write_file and audit deployments.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Arbitrary code execution as the application user via a crafted path to computer_write_file, enabling file writes and remote command execution.
Immediate action required