FKIE_CVE-2026-48187

Vulnerability from fkie_nvd - Published: 2026-06-01 04:16 - Updated: 2026-06-15 12:46
Severity
5.7 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Summary
An uncontrolled allocation of resources without limits or throttling in the e-mail handling in OTRS allows excessive allocation which may lead to the abortion of the webserver.This issue affects OTRS: * 8.0.X * 2023.X * 2024.X * 2025.X * 2026.X before 2026.4.X Please note that ((OTRS)) Community Edition 6.x, OTRS 7.x and products based on the ((OTRS)) Community Edition also very likely to be affected
References
security@otrs.comhttps://otrs.com/release-notes/otrs-security-advisory-2026-06/Vendor Advisory
Impacted products
Vendor Product Version
otrs otrs *
otrs otrs *
otrs otrs *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:otrs:otrs:*:*:*:*:community:*:*:*",
              "matchCriteriaId": "5421FAF4-D702-4429-A186-6374A4306293",
              "versionEndIncluding": "6.0.32",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:otrs:otrs:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "650E99BF-9E05-496F-BD59-5542A95FD221",
              "versionEndIncluding": "8.0.37",
              "versionStartIncluding": "7.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:otrs:otrs:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "476B2F02-24EA-43BB-BEA8-282D7D71B386",
              "versionEndExcluding": "2026.4.1",
              "versionStartIncluding": "2023.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An uncontrolled allocation of resources without limits or throttling in the e-mail handling in OTRS allows excessive allocation which may lead to the abortion of the webserver.This issue affects OTRS:\n\n  *  8.0.X\n  *  2023.X\n  *  2024.X\n  *  2025.X\n  *  2026.X before 2026.4.X\n\nPlease note that ((OTRS)) Community Edition 6.x, OTRS 7.x and products based on the ((OTRS)) Community Edition also very likely to be affected"
    }
  ],
  "id": "CVE-2026-48187",
  "lastModified": "2026-06-15T12:46:17.540",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 5.7,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.1,
        "impactScore": 3.6,
        "source": "security@otrs.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-06-01T04:16:22.410",
  "references": [
    {
      "source": "security@otrs.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://otrs.com/release-notes/otrs-security-advisory-2026-06/"
    }
  ],
  "sourceIdentifier": "security@otrs.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-400"
        },
        {
          "lang": "en",
          "value": "CWE-770"
        }
      ],
      "source": "security@otrs.com",
      "type": "Secondary"
    }
  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.