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CVE-2026-48929

HIGH
7.5
CVSS Score
Published: June 16, 2026 at 11:08 PM UTC
Updated: October 24, 2026 at 01:10 PM UTC
1 product affected across 1 vendorChat Rocket Chat

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Severity
HIGH7.5
Exploit prediction
EPSS 0.7%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Chat Rocket Chat· Rocket Chat
95%
v < 7.10.137.13.0 ≤ v < 7.13.98.0.0 ≤ v < 8.0.78.1.0 ≤ v < 8.1.68.2.0 ≤ v < 8.2.68.3.0 ≤ v < 8.3.68.4.0 ≤ v < 8.4.48.5.0 ≤ v < 8.5.1
Affected range stops below 7.10.13, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.13.9, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.0.7, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.1.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.2.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.3.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.4.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.5.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Third Party Advisory
Source: cverecord
https://hackerone.com/reports/3611837
Issue TrackingPatchThird Party Advisory
Source: cverecord
https://github.com/RocketChat/Rocket.Chat/pull/40889/

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHhackerone
Vector?

Quick Info

StatusANALYZED
CWE
CWE-287

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