Path traversal in Rocket.Chat
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.0 · CNA. Fix status from CNA. Impact type from CWE-22 and the CVSS impact.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Rocket.Chat | Rocket.Chat | before 8.2.0; before 8.1.1; before 8.0.2; before 7.13.4; before 7.12.5; before 7.11.5; before 7.10.8 | 8.2.0, 8.1.1, 8.0.2, 7.13.4, 7.12.5, 7.11.5, 7.10.8 | Patch available | CNA |
- Rocket.Chat VendorRocket.Chat Affected before 8.2.0; before 8.1.1; before 8.0.2; before 7.13.4; before 7.12.5; before 7.11.5; before 7.10.8 Fixed in 8.2.0, 8.1.1, 8.0.2, 7.13.4, 7.12.5, 7.11.5, 7.10.8 Patch available CNA
CPE names Threatist (inferred) · 1
Inferred from how NVD named this product before; not given by a source.
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:* | — | — | Rocket.Chat |
- cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:* Versions — — ·Rocket.Chat
Remediation
- Fix · CNA Rocket.Chat (Rocket.Chat) Fixed in 8.2.0, 8.1.1, 8.0.2, 7.13.4, 7.12.5, 7.11.5, 7.10.8
Timeline
- 2026-10-02 Threatist record created from CVE-2026-56845
- 2026-10-03 Alias added: GHSA-6c37-9jgq-mgm8
References
More Rocket.Chat vulnerabilities
- TI-2021-05772 A improper input sanitization vulnerability exists in Rocket.Chat server 3.11, 3.12 &… CVSS 3.1CRITICAL 9.8
- TI-2022-13921 SQL injection in Rocket.Chat CVSS 3.1HIGH 8.8
- TI-2026-18910 Rocket.Chat Unauthorized Access to OAuth App Details CVSS 3.1HIGH 7.7
- TI-2022-12398 Improper authentication in Rocket.Chat Mobile app CVSS 3.1MEDIUM 6.8
- TI-2024-24909 Code injection in Rocket.Chat CVSS 3.0MEDIUM 6.5
- TI-2022-13929 Information disclosure in Rocket.Chat CVSS 3.1MEDIUM 6.5
Sources
- CVE-2026-56845 · CVE Program
- CVE-2026-56845 · NVD
- FIRST EPSS
- GHSA-6c37-9jgq-mgm8 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences