CVE-2026-56845

HIGH

Rocket.Chat - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Title source: rule

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.

References (1)

Core 1

Core References

https://hackerone.com/reports/3514640

Scores

CVSS v3 7.5

EPSS 0.0036

EPSS Percentile 28.7%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-22

Status published

Products (7)

Rocket.Chat/Rocket.Chat < 7.10.8

Rocket.Chat/Rocket.Chat < 7.11.5

Rocket.Chat/Rocket.Chat < 7.12.5

Rocket.Chat/Rocket.Chat < 7.13.4

Rocket.Chat/Rocket.Chat < 8.0.2

Rocket.Chat/Rocket.Chat < 8.1.1

Rocket.Chat/Rocket.Chat < 8.2.0

Published Aug 04, 2026

Tracked Since Aug 04, 2026