CVE-2026-56845 | BDVDB-2026-355145 Detail

Rocket.ChatRocket.Chat

Description#

An unauthenticated path traversal (LFI) vulnerability exists under /custom-sounds/ when CustomSounds storage is configured to FileSystem. By including ../ sequences in the request path, an attacker can read arbitrary files outside the base directory.

Impact#

Per CVSS v3.0: confidentiality impact high, integrity impact none, availability impact none. Attack vector: network.

Weaknesses#

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

References#

https://hackerone.com/reports/3514640

Exploit#

No public exploit known

History#

Version 12026-08-04Record published in the CVE List.

Published

Published: 2026-08-04
Last modified: 2026-08-04

Vendor information

Vendor: Rocket.Chat
Product: Rocket.Chat

All Rocket.Chat vulnerabilities

Score

7.5 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 49.0.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Path Traversal

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 8.2.0
Fixed
8.2.0
Vulnerable
< 8.1.1
Fixed
8.1.1
Vulnerable
< 8.0.2
Fixed
8.0.2
Vulnerable
< 7.13.4
Fixed
7.13.4
Vulnerable
< 7.12.5
Fixed
7.12.5
Vulnerable
< 7.11.5
Fixed
7.11.5
Vulnerable
< 7.10.8
Fixed
7.10.8

Scoring System

CVSS v4.0

Not available

CVSS v3.1

Not available

CVSS v3.0

7.5 High

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

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

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).