Vulnerability Description
Rocket.Chat in versions <8.5.1, <8.4.4, <8.3.6, <8.2.6, <8.1.6, <8.0.7, <7.13.9, and <7.10.13 is vulnerable to unauthenticated file deletion. The deleteFileMessage Meteor method permanently deletes any uploaded file by ID without requiring authentication. When called via an unauthenticated DDP WebSocket connection, Meteor.userId() returns null, causing the authorization check to be skipped. Execution falls through to FileUpload.getStore('Uploads').deleteById(fileID), which removes the file from storage and database unconditionally. File IDs are discoverable from public channel message payloads and download URLs.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Rocket.Chat | Rocket.Chat | < 7.10.13 |
Related Weaknesses (CWE)
References
- https://github.com/RocketChat/Rocket.Chat/pull/40889/Issue TrackingPatchThird Party Advisory
- https://hackerone.com/reports/3611837Third Party Advisory
FAQ
What is CVE-2026-48929?
CVE-2026-48929 is a vulnerability with a CVSS score of 7.5 (HIGH). Rocket.Chat in versions <8.5.1, <8.4.4, <8.3.6, <8.2.6, <8.1.6, <8.0.7, <7.13.9, and <7.10.13 is vulnerable to unauthenticated file deletion. The deleteFileMessage Meteor method permanently deletes an...
How severe is CVE-2026-48929?
CVE-2026-48929 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-48929?
Check the references section above for vendor advisories and patch information. Affected products include: Rocket.Chat Rocket.Chat.