CVE-2026-56845

HIGH

7.5

CVSS Score

Published: August 4, 2026 at 12:43 AM UTC

Updated: September 9, 2026 at 05:27 PM UTC

1 product affected across 1 vendorChat Rocket Chat

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Severity

HIGH7.5

Exploit prediction

EPSS 0.6%

SSVC

No known exploit

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.

Affected

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

Chat Rocket Chat · Rocket Chat

60%

v < 7.10.8v < 7.11.5v < 7.12.5v < 7.13.4v < 8.0.2v < 8.1.1v < 8.2.0

Affected range stops below 7.10.8, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.11.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.12.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.13.4, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.0.2, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.1.1, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.2.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: cverecord

https://hackerone.com/reports/3514640

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

StatusDEFERRED

CWE

CWE-22

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