What is CVE-2026-79918?

CVE-2026-79918 is a medium-severity vulnerability in 1panel-Dev Maxkb, classified under Protection Mechanism Failure. CVSS score: 6.3/10. Published 2026-09-21.

How severe is CVE-2026-79918?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Vulnerability in 1panel-Dev Maxkb

CVE-2026-79918

MaxKB is an open-source AI assistant for enterprise. Prior to version 2.10.6-lts, the ToolExecutor LD_PRELOAD sandbox hooks execve, execvpe, and execveat to prevent subprocess creation but does not hook fexecve. An authenticated attacker able to execute tool code can call fexecve to start a process outside the sandbox's intended subprocess policy. This issue is fixed in version 2.10.6-lts.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

1panel-dev Maxkb — versions < 2.10.6-lts

Weakness classification (CWE)

CWE-693 — Protection Mechanism Failure

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-79918?: CVE-2026-79918 is a medium-severity vulnerability in 1panel-Dev Maxkb, classified under Protection Mechanism Failure. CVSS score: 6.3/10. Published 2026-09-21.
How severe is CVE-2026-79918?: Medium severity. CVSS v3 base score is 6.3 out of 10.