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CVE-2026-13509

MEDIUMCVSS 6.3/10EPSS 0.29%

Last modified

CVE-2026-13509 is a medium-severity vulnerability rated 6.3/10 on the CVSS scale. 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. EPSS estimates a 0.29% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
6.3/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CVSS 4.0
2.1/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability
0.29%

21.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
—RAGapp0.1.0; 0.1.1; 0.1.2; 0.1.3; 0.1.4; 0.1.5

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-13509?
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.
How severe is CVE-2026-13509?
CVE-2026-13509 has a CVSS score of 6.3/10 (MEDIUM severity). The EPSS model estimates a 0.29% probability of exploitation in the next 30 days.
How do I fix CVE-2026-13509?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST