{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-48187", "assignerOrgId": "2e1bf29f-dc29-4ed8-830c-7b9348b6f0e8", "state": "PUBLISHED", "assignerShortName": "OTRS", "dateReserved": "2026-05-21T07:53:13.253Z", "datePublished": "2026-06-01T03:33:23.990Z", "dateUpdated": "2026-06-01T03:33:23.990Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unknown", "modules": ["Mail Backend"], "product": "OTRS", "vendor": "OTRS AG", "versions": [{"status": "unknown", "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"}]}, {"defaultStatus": "unknown", "product": "((OTRS)) Community Edition", "vendor": "OTRS AG", "versions": [{"status": "unknown", "version": "6.x"}]}], "datePublic": "2026-06-01T07:00:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "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.<p>This issue affects OTRS:</p><ul><li>8.0.X</li><li>2023.X</li><li>2024.X</li><li>2025.X</li><li>2026.X before 2026.4.X</li></ul>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"}], "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"}], "impacts": [{"capecId": "CAPEC-130", "descriptions": [{"lang": "en", "value": "CAPEC-130 Excessive Allocation"}]}], "metrics": [{"cvssV3_1": {"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"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-400", "description": "CWE-400 Uncontrolled Resource Consumption", "lang": "en", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-770", "description": "CWE-770 Allocation of Resources Without Limits or Throttling", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "2e1bf29f-dc29-4ed8-830c-7b9348b6f0e8", "shortName": "OTRS", "dateUpdated": "2026-06-01T03:33:23.990Z"}, "references": [{"url": "https://otrs.com/release-notes/otrs-security-advisory-2026-06/"}], "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<br>"}], "value": "Update to OTRS 2026.4.1. or later. Please note that there will be no OTRS 7 patches"}], "source": {"advisory": "OSA-2026-06", "defect": ["Ticket#2026052110000214", "Issue#3890"], "discovery": "USER"}, "title": "Email with special content can lead to DoS", "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}}}

{}

{"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": "2026-06-01T04:16:22.410", "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", "url": "https://otrs.com/release-notes/otrs-security-advisory-2026-06/"}], "sourceIdentifier": "security@otrs.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}, {"lang": "en", "value": "CWE-770"}], "source": "security@otrs.com", "type": "Secondary"}]}

{}

{}