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TI-2026-35609 Aliases CVE-2026-48189GHSA-9prp-8cr9-jvwq

Bypass DedicatedAgentToCustomerGroups Setting

Priority LOW 27CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-200.

Summary

An improper Input Validation vulnerability in OTRS Customer Backend module allows to access customer information which are restricted to other groups. Please note that the feature has to be anabled and CustomerGroupSupport has to be used to be affected. This issue affects OTRS: * 7.0.X * 8.0.X * 2023.X * 2024.X * 2025.X * 2026.X before 2026.4.X

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00198 9th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
OTRS AGOTRS7.0.x and later; 8.0.x and later; 2023.x and later; 2024.x and later; 2025.x and later; 2026.x – 2026.3.x—No fix listedCNA
  • OTRS VendorOTRS AG Affected 7.0.x and later; 8.0.x and later; 2023.x and later; 2024.x and later; 2025.x and later; 2026.x – 2026.3.x Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:otrs:otrs:*:*:*:*:*:*:*:*7.0.0 – 8.0.37; 2023.0.0 to before 2026.4.1VulnerableOTRS AG
  • cpe:2.3:a:otrs:otrs:*:*:*:*:*:*:*:* Versions 7.0.0 – 8.0.37; 2023.0.0 to before 2026.4.1 Vulnerable ·OTRS AG

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-48189
  2. 2026-10-03 Alias added: GHSA-9prp-8cr9-jvwq

References

  • TI-2017-12458 In OTRS 6.0.x up to and including 6.0.1, OTRS 5.0.x up to and including 5.0.24, and OTRS… CVSS 3.0HIGH 8.8
  • TI-2026-35608 SQL Injection via MySQL Quote Method CVSS 3.1CRITICAL 9.1
  • TI-2023-04991 SSL Certificates are not checked for E-Mail Handling CVSS 3.1CRITICAL 9.1
  • TI-2022-04045 SQL Injection via OTRS Search API CVSS 3.1CRITICAL 9.8
  • TI-2017-12258 Code injection exists in Kernel/System/Spelling.pm in Open Ticket Request System (OTRS) 5… CVSS 3.0HIGH 8.8
  • TI-2017-06753 In Open Ticket Request System (OTRS) 3.3.x through 3.3.16, 4.x through 4.0.23, and 5.x… CVSS 3.0HIGH 8.8
See all 141 →

Sources