GHSA-9prp-8cr9-jvwq · Severity: medium — An improper Input Validation vulnerability in OTRS Customer Backend module allows to access...
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
Conclusion & alert: CVE-2026-48189 is rated Low Risk (26.2/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.19%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.03% | 0.19% | +0.16% |
| 2 | 2026-06-01 | — | 0.03% | — |
Full EPSS history (2 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.7 | 3.1 | MEDIUM |
|
2.1 | 3.6 | [email protected] |
GHSA-9prp-8cr9-jvwq · Severity: medium — An improper Input Validation vulnerability in OTRS Customer Backend module allows to access...
| URL | Tags |
|---|---|
| https://otrs.com/release-notes/otrs-security-advisory-2026-03/ | Vendor Advisory |