CVE-2026-81560 blackms aistack Static File server.ts path traversal
Remote attackers can exploit a path traversal vulnerability in the static file handler to read arbitrary files from the server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-81560?
CVE-2026-81560 is a medium-severity path traversal vulnerability in blackms aistack, published on 27 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability was identified in blackms aistack up to 1.6.1. Affected by this issue is some unknown functionality of the file src/web/server.ts of the component Static File Handler. Such manipulation of the argument req.url leads to path traversal. The attack can be executed remotely. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.
Weakness: CWE-22
Which versions are affected by CVE-2026-81560?
How do I fix CVE-2026-81560?
No fix has been published for CVE-2026-81560 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-81560 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-81560 exists.
Sources
Also known as GHSA-rxcf-vrwm-22vh.