CVE-2026-92752: metasfresh Unauthorized Access via Document Attachments and Comments Endpoints

Severity: high (CVSS 8.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-16 · updated 2026-09-23
Weakness: CWE-639

Description

metasfresh DocumentAttachmentsRestController and CommentsRestController endpoints check only that callers are logged in without enforcing record-level permissions. Attackers can enumerate sequential document identifiers to read, replace, and delete attachments and comments on records their role cannot access.

References

https://github.com/metasfresh/metasfresh
https://github.com/metasfresh/metasfresh/blob/c4c7766ef403eb470c9130031cf24cc33625ceed/backend/de.metas.ui.web.base/src/main/java/de/metas/ui/web/attachments/DocumentAttachmentsRestController.java#L63-L225
https://github.com/metasfresh/metasfresh/blob/c4c7766ef403eb470c9130031cf24cc33625ceed/backend/de.metas.ui.web.base/src/main/java/de/metas/ui/web/upload/ImageRestController.java#L100-L107
https://github.com/metasfresh/metasfresh/issues/24665
https://www.vulncheck.com/advisories/metasfresh-unauthorized-access-via-document-attachments-and-comments-endpoints
https://github.com/metasfresh/metasfresh/issues/24665

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