Vulnerability · Published Aug 4, 2026 · Assigned by hackerone
CVE-2026-56845
High 7.5
In plain English
A high-severity path traversal in Rocket.Chat from Rocket.Chat. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 49% of all known vulnerabilities).
Severity (CVSS 3.0)7.5High
Exploit odds (30 days)0.6%top 51.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Rocket.Chat | Rocket.Chat | 0 – before 8.2.00 – before 8.1.10 – before 8.0.20 – before 7.13.40 – before 7.12.50 – before 7.11.50 – before 7.10.8 |
Weakness: CWE-22 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N