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CVE-2026-48929

Published: Jun 16, 2026Updated: Jun 18, 2026 Sources: CVE List NVDCWE-287
7.5HIGH
NVD MITRE
EPSS Score
0.6%
Top 54.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-287

Affected Products

rocket.chatrocket.chat
On-premWeb App
Communications / messaging-chat
Rocket.ChatRocket.Chat
On-premWeb App
Communications / messaging-chat
rocket.chatcommercialILCommunicationsaka rocket chat, rocketchat

Exploitability

Official Patch Available
No detection template yetWe can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Initial Access
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References

https://github.com/RocketChat/Rocket.Chat/pull/40889/
github.com
https://hackerone.com/reports/3611837
hackerone.com

Timeline

Published
Jun 16, 2026
Last Updated
Jun 18, 2026

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