CVE-2026-13509: RAGapp Knowledge File files.py FileHandler.remove_file path traversal

Severity: medium (CVSS 6.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-06-28 · updated 2026-06-29
Weakness: CWE-22

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

RAGapp: 0.1.0, 0.1.1, 0.1.2, 0.1.3, 0.1.4, 0.1.5

References

https://github.com/ragapp/ragapp/
https://github.com/ragapp/ragapp/issues/293
https://github.com/ragapp/ragapp/pull/294
https://vuldb.com/cve/CVE-2026-13509
https://vuldb.com/submit/838838
https://vuldb.com/vuln/374517
https://vuldb.com/vuln/374517/cti

Get alerted when CVE-2026-13509 or the next vulnerability affects your stack