CVE-2025-56527

HIGH

Kotaemon 0.11.0 - Info Disclosure

Title source: llm

Description

Plaintext password storage in Kotaemon 0.11.0 in the client's localStorage.

References (5)

[Product] https://github.com/Cinnamon/kotaemon

[Patch] https://github.com/Cinnamon/kotaemon/commit/37cdc28

[Exploit, Third Party Advisory] https://github.com/HanTul/Kotaemon-CVE-2025-56526-56527-disclosure

View Exploit ZIP pw:eip

[Exploit, Third Party Advisory] https://harvest-sink-590.notion.site/Stored-XSS-via-Unsanitized-PDF-Content-Rendering-and-Plaintext-Credential-Exposure-in-LocalStorage-236770c3fe1e80f6a1aef381fb1c8f73

[Exploit, Third Party Advisory] https://skinny-exoplanet-584.notion.site/Stored-XSS-via-Unsanitized-PDF-Content-Rendering-and-Plaintext-Credential-Exposure-in-LocalStorage-22cd1563bd3380458588eb49f361a363?pvs=74

Scores

CVSS v3 7.5

EPSS 0.0007

EPSS Percentile 21.7%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact partial

Details

CWE

CWE-256

Status published

Products (1)

cinnamon/kotaemon < 0.11.0

Published Nov 18, 2025

Tracked Since Feb 18, 2026