Plaintext Password Storage Vulnerability in Kotaemon by Cinnamon
CVE-2025-56527

7.5HIGH

Key Information:

Vendor

Cinnamon

Status
Kotaemon
Vendor
CVE Published:
18 November 2025

What is CVE-2025-56527?

The Kotaemon 0.11.0 application by Cinnamon exposes sensitive user credentials by storing passwords in plaintext within the client’s localStorage. This vulnerability can lead to unauthorized access if an attacker gains access to the localStorage data. Proper sanitization and encryption measures are critical to securing sensitive information and preventing potential data breaches.

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References

https://github.com/Cinnamon/kotaemon/commit/37cdc28
https://github.com/Cinnamon/kotaemon
https://skinny-exoplanet-584.notion.site/Stored-XSS-via-U...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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