---
id: CVE-2026-111652
title: >-
  Engineercms through 2.0.5 contains a missing authorization vulnerability in
  AttachController.Attachment that allows unauthenticated attackers to download
  project image and video attachments
summary: >-
  Engineercms through 2.0.5 contains a missing authorization vulnerability in
  AttachController.Attachment that allows unauthenticated attackers to download
  project image and video attachments. Attackers can request known or derived
  /attach…
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'
cwe:
  - CWE-862
vendor: 3xxx
product: engineercms
affected:
  - engineercms <= 2.0.5
published: '2026-10-16'
updated: '2026-10-16'
sourceUpdated: '2026-10-16T20:17:21.647'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-111652'
references:
  - url: 'https://github.com/3xxx/engineercms'
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/3xxx/engineercms/blob/v2.0.5/controllers/attachment.go#L1705-L1706
    label: disclosure@vulncheck.com
  - url: >-
      https://hackmd.io/@hieuPenguinnn/engineercms-attachment-image-mp4-missing-authz
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/engineercms-through-2.0.5-missing-authorization-via-attachcontroller-attachment
    label: disclosure@vulncheck.com
  - url: >-
      https://hackmd.io/@hieuPenguinnn/engineercms-attachment-image-mp4-missing-authz
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
  - cve.org
  - exploit-available
epss: 0.0039
epssPercentile: 0.32936
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-10-16T19:16:54.874748Z'
ingestedAt: '2026-10-16T18:43:08.677Z'
---

## Overview

Engineercms through 2.0.5 contains a missing authorization vulnerability in AttachController.Attachment that allows unauthenticated attackers to download project image and video attachments. Attackers can request known or derived /attachment/* paths for .jpg, .png, .bmp, or .mp4 files, which are served before casbin, owner, or admin checks.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.