CVE-2025-63914 — MEDIUM (6.5)

Vulnerability Description

An issue was discovered in Cinnamon kotaemon 0.11.0. The _may_extract_zip function in the \libs\ktem\ktem\index\file\ui.py file does not check the contents of uploaded ZIP files. Although the contents are extracted into a temporary folder that is cleared before each extraction, successfully uploading a ZIP bomb could still cause the server to consume excessive resources during decompression. Moreover, if no further files are uploaded afterward, the extracted data could occupy disk space and potentially render the system unavailable. Anyone with permission to upload files can carry out this attack.

CVSS Score

6.5

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Cinnamon	Kotaemon	0.11.0

Related Weaknesses (CWE)

CWE-409

References

https://github.com/Cinnamon/kotaemonProduct
https://github.com/WxDou/CVE-2025-63914ExploitThird Party Advisory

FAQ

What is CVE-2025-63914?

CVE-2025-63914 is a vulnerability with a CVSS score of 6.5 (MEDIUM). An issue was discovered in Cinnamon kotaemon 0.11.0. The _may_extract_zip function in the \libs\ktem\ktem\index\file\ui.py file does not check the contents of uploaded ZIP files. Although the contents...

How severe is CVE-2025-63914?

CVE-2025-63914 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-63914?

Check the references section above for vendor advisories and patch information. Affected products include: Cinnamon Kotaemon.