Vulnerability-Lookup

GHSA-9PRP-8CR9-JVWQ

Vulnerability from github – Published: 2026-06-01 06:30 – Updated: 2026-06-01 06:30

Details

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

Severity

5.7 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-48189"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-200"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-06-01T04:16:22Z",
    "severity": "MODERATE"
  },
  "details": "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\u00a0CustomerGroupSupport\u00a0has to be used to be affected.\n\nThis issue affects OTRS: \n\n  *  7.0.X\n  *  8.0.X\n  *  2023.X\n  *  2024.X\n  *  2025.X\n  *  2026.X before 2026.4.X",
  "id": "GHSA-9prp-8cr9-jvwq",
  "modified": "2026-06-01T06:30:26Z",
  "published": "2026-06-01T06:30:26Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-48189"
    },
    {
      "type": "WEB",
      "url": "https://otrs.com/release-notes/otrs-security-advisory-2026-03"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-48189 (GCVE-0-2026-48189)

Vulnerability from cvelistv5 – Published: 2026-06-01 03:33 – Updated: 2026-06-01 13:14

Title

Bypass DedicatedAgentToCustomerGroups Setting

Summary

Severity

5.7 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor

Assigner

OTRS

References

1 reference

URL	Tags
https://otrs.com/release-notes/otrs-security-advi…

Impacted products

1 product

Vendor	Product	Version
OTRS AG	OTRS	Affected: 7.0.x Affected: 8.0.x Affected: 2023.x Affected: 2024.x Affected: 2025.x Affected: 2026.x , ≤ 2026.3.x (patch)

Date Public

2026-06-01 07:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-48189",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-01T13:14:38.008285Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-06-01T13:14:49.791Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "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"
            }
          ]
        }
      ],
      "datePublic": "2026-06-01T07:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "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\u0026nbsp;\u003ccode\u003eCustomerGroupSupport\u003c/code\u003e\u0026nbsp;has to be used to be affected.\u003cp\u003e\u003c/p\u003e\u003cp\u003eThis issue affects OTRS: \u003c/p\u003e\u003cul\u003e\u003cli\u003e7.0.X\u003c/li\u003e\u003cli\u003e8.0.X\u003c/li\u003e\u003cli\u003e2023.X\u003c/li\u003e\u003cli\u003e2024.X\u003c/li\u003e\u003cli\u003e2025.X\u003c/li\u003e\u003cli\u003e2026.X before 2026.4.X\u003c/li\u003e\u003c/ul\u003e\u003cbr\u003e\u003cp\u003e\u003c/p\u003e"
            }
          ],
          "value": "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\u00a0CustomerGroupSupport\u00a0has to be used to be affected.\n\nThis issue affects OTRS: \n\n  *  7.0.X\n  *  8.0.X\n  *  2023.X\n  *  2024.X\n  *  2025.X\n  *  2026.X before 2026.4.X"
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-54",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-54 Query System for Information"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "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"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-200",
              "description": "CWE-200 Exposure of Sensitive Information to an Unauthorized Actor",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-01T03:33:03.373Z",
        "orgId": "2e1bf29f-dc29-4ed8-830c-7b9348b6f0e8",
        "shortName": "OTRS"
      },
      "references": [
        {
          "url": "https://otrs.com/release-notes/otrs-security-advisory-2026-03/"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Update to OTRS 2026.4.1. or later. Please note that there will be no OTRS 7 patches\u003cbr\u003e"
            }
          ],
          "value": "Update to OTRS 2026.4.1. or later. Please note that there will be no OTRS 7 patches"
        }
      ],
      "source": {
        "advisory": "OSA-2026-03",
        "defect": [
          "Ticket#2026052110000161",
          "Issue#3780"
        ],
        "discovery": "USER"
      },
      "title": "Bypass DedicatedAgentToCustomerGroups Setting",
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "2e1bf29f-dc29-4ed8-830c-7b9348b6f0e8",
    "assignerShortName": "OTRS",
    "cveId": "CVE-2026-48189",
    "datePublished": "2026-06-01T03:33:03.373Z",
    "dateReserved": "2026-05-21T07:53:13.254Z",
    "dateUpdated": "2026-06-01T13:14:49.791Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-9PRP-8CR9-JVWQ

CVE-2026-48189 (GCVE-0-2026-48189)

Tags

Sightings

Nomenclature