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VulnerabilityPublished

CVE-2025-56526: Kotaemon · Cross Site Scripting (XSS) Vulnerability

Source GCVE Database

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Authoritative record:CVE-2025-56526· Medium 6.1

Not known to be exploited · CVSS 6.1 Medium.

Data as of 13 Nov 2026, 20:29 UTC

CVSS 3.1 base score
6.1Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CISA-ADPCVSS 3.16.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 18 Nov 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
GitHubcinnamon/kotaemonpkg:github/cinnamon/kotaemonOther threatsAffected
  • =0.11.0
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Until a fix is available, users should exercise caution when handling PDF files from untrusted sources to prevent exploitation.

Description

A cross-site scripting (XSS) vulnerability exists in Kotaemon version 0.11.0 that allows attackers to execute arbitrary code via a crafted PDF file. This vulnerability can lead to partial confidentiality and integrity impact but does not affect availability. The vulnerability requires user interaction and can be exploited remotely over the network.

References

Community reviews

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