CVE Explorer
CVE-2026-48189
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
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"affected","modules":["Customer Backend"],"product":"OTRS","vendor":"OTRS AG","versions":[{"status":"affected","version":"7.0.x"},{"status":"affected","version":"8.0.x"},{"status":"affected","version":"2023.x"},{"status":"affected","version":"2024.x"},{"status":"affected","version":"2025.x"},{"lessThanOrEqual":"2026.3.x","status":"affected","version":"2026.x","versionType":"patch"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:f8e09e2cc007f1862881a39d2ccfd3e68846e15a329beba0d2e781600d05c7b5 · sha256:68373a480c4191dd… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.7,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:f8e09e2cc007f1862881a39d2ccfd3e68846e15a329beba0d2e781600d05c7b5 · sha256:68373a480c4191dd… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-200","description":"CWE-200 Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:f8e09e2cc007f1862881a39d2ccfd3e68846e15a329beba0d2e781600d05c7b5 · sha256:68373a480c4191dd… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"url":"https://otrs.com/release-notes/otrs-security-advisory-2026-03/"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:f8e09e2cc007f1862881a39d2ccfd3e68846e15a329beba0d2e781600d05c7b5 · sha256:68373a480c4191dd… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.