How severe is CVE-2026-30631?

CVE-2026-30631 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-30631 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-30631?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2026-30631 published?

CVE-2026-30631 was published on 2026-07-21 and last updated on 2026-07-22.

CVE-2026-30631

CVE-2026-30631 is a critical-severity vulnerability with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Published: 2026-07-21
Last modified: 2026-07-22

Description

An issue was discovered in bytebot-ai in commit 3d37894ce07ef8d8b40adc7fd309ad96c2a71313 (2025-09-11) allowing attackers to execute arbitrary code via crafted path to `computer_write_file`.

Frequently asked questions

What is CVE-2026-30631?: An issue was discovered in bytebot-ai in commit 3d37894ce07ef8d8b40adc7fd309ad96c2a71313 (2025-09-11) allowing attackers to execute arbitrary code via crafted path to `computer_write_file`.
How severe is CVE-2026-30631?: CVE-2026-30631 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-30631 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-30631?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2026-30631 published?: CVE-2026-30631 was published on 2026-07-21 and last updated on 2026-07-22.

References

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