CVE-2025-56526

MEDIUM
2025-11-18 [email protected]
6.1
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

4
Analysis Generated
Mar 28, 2026 - 19:22 vuln.today
Patch Released
Mar 28, 2026 - 19:22 nvd
Patch available
PoC Detected
Dec 02, 2025 - 19:35 vuln.today
Public exploit code
CVE Published
Nov 18, 2025 - 17:16 nvd
MEDIUM 6.1

Tags

RCE XSS Kotaemon

Description

Cross site scripting (XSS) vulnerability in Kotaemon 0.11.0 allowing attackers to execute arbitrary code via a crafted PDF.

Analysis

Cross site scripting (XSS) vulnerability in Kotaemon 0.11.0 allowing attackers to execute arbitrary code via a crafted PDF. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Technical Context

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. Cross site scripting (XSS) vulnerability in Kotaemon 0.11.0 allowing attackers to execute arbitrary code via a crafted PDF. Affected products include: Cinnamon Kotaemon.

Affected Products

Cinnamon Kotaemon.

Remediation

A vendor patch is available. Apply the latest security update as soon as possible. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

Priority Score

51
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +30
POC: +20

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CVE-2025-56526 vulnerability details – vuln.today
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