Vulnerability · Published Jun 28, 2026 · Assigned by VulDB
CVE-2026-13509RAGapp Knowledge File files.py FileHandler.remove_file path traversal
Medium 6.3
In plain English
A medium-severity path traversal in RAGapp. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 37% of all known vulnerabilities).
Official description
A vulnerability has been found in RAGapp up to 0.1.5. Affected is the function FileHandler.upload_file/FileHandler.remove_file of the file src/ragapp/backend/controllers/files.py of the component Knowledge File Handler. Such manipulation leads to path traversal. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. The pull request to fix this issue awaits acceptance.
Affected products (as reported)
Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-374517 | RAGapp Knowledge File files.py FileHandler.remove_file path traversal vdb-entry, technical-description
- VDB-374517 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-13509 | CVE Analysis and Report third-party-advisory
- Submit #838838 | RAGapp ragapp 0.1.5 and earlier; verified on commit f7f88892a92c110853dfa019f2c4a605a4a7b6f5 CWE-22 Improper Limitation of a Pathname to a Restricted Directo third-party-advisory
- https://github.com/ragapp/ragapp/issues/293 exploit, issue-tracking
- https://github.com/ragapp/ragapp/pull/294 issue-tracking, patch
- https://github.com/ragapp/ragapp/ product