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CVE-2025-56526

MediumPublished

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

Published: Nov 18, 2025
Updated: Nov 19, 2025
Assigning CNA: mitre
Evidence observed: Aug 18, 2026

Primary CVSS

6.1/ 10Medium

nvd · CVSS 3.1

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

EPSS probability estimate

0.4%

Low · next 30 days

Percentile: 35.2%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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

Sources

Kotaemon-CVE-2025-56526-56527-disclosureResearch
Public disclosure for CVE-2025-56526 and CVE-2025-56527 — Stored XSS via unsanitized PDF content rendering and plaintext credential exposure in Kotaemon 0.11.0. Includes full technical analysis, PoC, impact assessment, and responsible disclosure timeline.

Responsible use

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