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Cheshire Cat AI core through 2.0.23 Stored XSS via uploads plugin

Type: advisorySource: Official CVE List1 source record

Cheshire Cat AI core through 2.0.23 contains a stored cross-site scripting vulnerability in the uploads plugin that allows authenticated users to upload HTML files via POST /uploads without type restrictions. Attackers can send the public GET /uploads/{path} URL to a signed-in victim, executing script in the application origin with the victim's access_token cookie, including administrators.

Announced Source revision 1
Original source ↗

CVE-2026-108725

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-108725

core

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://github.com/cheshire-cat-ai/core",
    "vendor": "cheshire-cat-ai",
    "product": "core",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "versionType": "semver",
        "lessThanOrEqual": "2.0.23"
      }
    ],
    "packageURL": "pkg:github/cheshire-cat-ai/core",
    "defaultStatus": "unaffected"
  }
]
Related CVEs
CVE-2026-108725

Source reference: /cveMetadata/cveId

Publisher severity

medium

Source reference: /containers/cna/metrics

Event
#17295 · Revision 1
Added to Heist Feed
Publisher date
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