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TI-2026-40987 Aliases CVE-2026-56845GHSA-6c37-9jgq-mgm8

Path traversal in Rocket.Chat

Priority MEDIUM 40CWE-22Published · Updated

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

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00601 49th percentileScored 2026-11-07
Fix Fixed Rocket.Chat (Rocket.Chat): 8.2.0, 8.1.1, 8.0.2 +4

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

VendorProductAffected versionsFixed inStatusSource
Rocket.ChatRocket.Chatbefore 8.2.0; before 8.1.1; before 8.0.2; before 7.13.4; before 7.12.5; before 7.11.5; before 7.10.88.2.0, 8.1.1, 8.0.2, 7.13.4, 7.12.5, 7.11.5, 7.10.8Patch availableCNA
  • 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.

CPEVersionsRoleVendor
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

  1. 2026-10-02 Threatist record created from CVE-2026-56845
  2. 2026-10-03 Alias added: GHSA-6c37-9jgq-mgm8

References

  • 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
See all 68 →

Sources