Review reviewHigh

CVE-2026-48929

Rocket.Chat Rocket.Chat, rocket.chat

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 paylo...

CVSS: 7.5
EPSS: 0.72%
CISA KEV: Not listed
Published: 2026.06.17

PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability0.72%

Technical severityCVSS 7.5

Vulnerability overview

Affected product and versions

Product: Rocket.Chat Rocket.Chat, rocket.chat
Affected versions: < 7.10.13, >= 7.13.0 < 7.13.9, >= 8.0.0 < 8.0.7, >= 8.1.0 < 8.1.6, >= 8.2.0 < 8.2.6, >= 8.3.0 < 8.3.6, >= 8.4.0 < 8.4.4, >= 8.5.0 < 8.5.1
Fixed versions: 7.10.13, 7.13.9, 8.0.7, 8.1.6, 8.2.6, 8.3.6, 8.4.4, 8.5.1

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

1
Identify
Confirm that Rocket.Chat Rocket.Chat, rocket.chat and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE: CWE-287