CVE-2025-66446 MaxKB has a Python sandbox LD_PRELOAD bypass
Attackers can overwrite critical system files due to improper permissions, leading to privilege escalation and potential code execution in MaxKB.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-66446?
CVE-2025-66446 is a high-severity vulnerability in 1Panel-dev MaxKB, published on 11 Dec 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
MaxKB is an open-source AI assistant for enterprise. Versions 2.3.1 and below have improper file permissions which allow attackers to overwrite the built-in dynamic linker and other critical files, potentially resulting in privilege escalation. This issue is fixed in version 2.4.0.
Weakness: CWE-362
Which versions are affected by CVE-2025-66446?
It affects 1 product.
Products include Maxkb Maxkb.
How do I fix CVE-2025-66446?
No fix has been published for CVE-2025-66446 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-66446 being exploited?
There is no known exploitation of CVE-2025-66446 in the wild and no public exploit code.
Other vulnerabilities in 1Panel-dev MaxKB
- CVE-2025-66419 MaxKB vulnerable to privilege escalation through sandbox bypass
- CVE-2025-64511 MaxKB has SSRF in sandbox
- CVE-2026-39422 MaxKB has Stored XSS via ChatHeadersMiddleware
- CVE-2026-39423 Stored XSS via Eval Injection in EchartsRander Component
- CVE-2024-56137 MaxKB RCE vulnerability in function library
Sources
Also known as GHSA-5xx2-3q9w-jpgf.