CVE-2026-79919: CWE-693: Protection Mechanism Failure in 1Panel-dev MaxKB
MaxKB is an open-source AI assistant for enterprise. Prior to version 2.10.6-lts, function-library code running under the LD_PRELOAD sandbox can invoke ctypes.CDLL from an importlib.abc.MetaPathFinder callback so the dlopen call-stack heuristic sees a Python import frame, then use unhooked dlsym with RTLD_NEXT to resolve glibc's real syscall and bypass the sandbox syscall blacklist. An authenticated workspace member can consequently read or write files, execute processes, or access networks as the sandbox user. This issue is fixed in version 2.10.6-lts.
CVE-2026-79919: CWE-693: Protection Mechanism Failure in 1Panel-dev MaxKB
Description
MaxKB is an open-source AI assistant for enterprise. Prior to version 2.10.6-lts, function-library code running under the LD_PRELOAD sandbox can invoke ctypes.CDLL from an importlib.abc.MetaPathFinder callback so the dlopen call-stack heuristic sees a Python import frame, then use unhooked dlsym with RTLD_NEXT to resolve glibc's real syscall and bypass the sandbox syscall blacklist. An authenticated workspace member can consequently read or write files, execute processes, or access networks as the sandbox user. This issue is fixed in version 2.10.6-lts.
CVSS v3.1
Score 6.3medium
Affected software
1Panel-dev
MaxKB
Weaknesses
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-08-25T14:59:32.746Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ab19b5455bf5e2cf57763d4
Added to database: 09/21/2026, 21:02:12 UTC
Last updated: 09/21/2026, 21:02:12 UTC
Views: 1
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