# CVE-2025-56526: Cross site scripting (XSS) vulnerability in Kotaemon 0.11.0 allowing attackers to execute arbitrary code via a crafted PDF.

Source: https://junglewise.ai/threats/cve-2025-56526-cross-site-scripting-xss-vulnerability-in-kotaemon-0-11-0  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-11-18  
License: CC BY 4.0 with a link back

CVE-2025-56526 · Severity: medium · CVSS 6.1 · Published 2025-11-18

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

Technologies: [Cinnamon Kotaemon](https://junglewise.ai/threats/technologies/kotaemon). Vendors: [Cinnamon](https://junglewise.ai/threats/vendors/cinnamon).

## Quick answers

**Is CVE-2025-56526 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-56526 being exploited in the wild.

**How severe is CVE-2025-56526?** Medium severity, with a CVSS score of 6.1, published 18 November 2025.

**Which products and versions are affected?** Cinnamon Kotaemon. The advisory does not name versions.

**Is there a fix for CVE-2025-56526?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2025-56526?** Check whether you run Cinnamon Kotaemon. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Cinnamon Kotaemon

## Related threats

- [Cinnamon Kotaemon authorization bypass in chat handlers](https://junglewise.ai/threats/cve-2026-86867-cinnamon-s-kotaemon-all-versions-up-to-and-including-v0-12-0)
- [kotaemon insecure deserialization in check_connection endpoint](https://junglewise.ai/threats/cve-2026-69098-kotaemon-insecure-deserialization-in-check-connection-endpoint)
- [Plaintext password storage in Kotaemon 0.11.0 in the client's localStorage.](https://junglewise.ai/threats/cve-2025-56527-plaintext-password-storage-in-kotaemon-0-11-0-in-the-client-s)