CVE-2026-48929

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Summary

CVECVE-2026-48929
StatePUBLISHED
Assignerhackerone
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-17 13:20:44 UTC
Updated2026-06-17 17:17:22 UTC
DescriptionRocket.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.

Risk And Classification

Primary CVSS: v3.0 7.5 HIGH from [email protected]

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

Problem Types: CWE-287 | CWE-287 CWE-287 Improper Authentication - Generic

VersionSourceTypeScoreSeverityVector
3.0[email protected]Secondary7.5HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.0CNADECLARED7.5HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Rocket.Chat Rocket.Chat affected 8.5.1 semver Not specified
CNA Rocket.Chat Rocket.Chat affected 8.4.4 semver Not specified
CNA Rocket.Chat Rocket.Chat affected 8.3.6 semver Not specified
CNA Rocket.Chat Rocket.Chat affected 8.2.6 semver Not specified
CNA Rocket.Chat Rocket.Chat affected 8.1.6 semver Not specified
CNA Rocket.Chat Rocket.Chat affected 8.0.7 semver Not specified
CNA Rocket.Chat Rocket.Chat affected 7.13.9 semver Not specified
CNA Rocket.Chat Rocket.Chat affected 7.10.13 semver Not specified

References

ReferenceSourceLinkTags
github.com/RocketChat/Rocket.Chat/pull/40889 [email protected] github.com
hackerone.com/reports/3611837 [email protected] hackerone.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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