CVE-2026-111652: Engineercms through 2.0.5 Missing Authorization via AttachController.Attachment

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-16 · updated 2026-10-16
Weakness: CWE-862

Description

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.

Affected products

3xxx engineercms: through 2.0.5

References

https://github.com/3xxx/engineercms
https://github.com/3xxx/engineercms/blob/v2.0.5/controllers/attachment.go#L1705-L1706
https://hackmd.io/@hieuPenguinnn/engineercms-attachment-image-mp4-missing-authz
https://www.vulncheck.com/advisories/engineercms-through-2.0.5-missing-authorization-via-attachcontroller-attachment
https://hackmd.io/@hieuPenguinnn/engineercms-attachment-image-mp4-missing-authz

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