Vulnerability · Published Aug 27, 2026 · Assigned by VulDB
CVE-2026-81560blackms aistack Static File server.ts path traversal
Medium 5.3
In plain English
A medium-severity path traversal in aistack from blackms. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 53% of all known vulnerabilities).
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.
Affected products (as reported)
Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
References
- VDB-396057 | blackms aistack Static File server.ts path traversal vdb-entry, technical-description
- VDB-396057 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-81560 | CVE Analysis and Report third-party-advisory
- Submit #887140 | blackms aistack 1.6.1 Path Traversal third-party-advisory
- https://github.com/blackms/aistack/issues/57 exploit, issue-tracking
- https://github.com/blackms/aistack/ product