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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"}}},"cveMetadata":{"assignerOrgId":"2e1bf29f-dc29-4ed8-830c-7b9348b6f0e8","assignerShortName":"OTRS","cveId":"CVE-2026-48187","datePublished":"2026-06-01T03:33:23.990Z","dateReserved":"2026-05-21T07:53:13.253Z","dateUpdated":"2026-06-01T03:33:23.990Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-01 04:16:22","lastModifiedDate":"2026-06-01 04:16:22","problem_types":["CWE-400","CWE-770","CWE-400 CWE-400 Uncontrolled Resource Consumption","CWE-770 CWE-770 Allocation of Resources Without Limits or Throttling"],"metrics":{"cvssMetricV31":[{"source":"security@otrs.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H","baseScore":5.7,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":2.1,"impactScore":3.6}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"48187","Ordinal":"1","Title":"Email with special content can lead to DoS","CVE":"CVE-2026-48187","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"48187","Ordinal":"1","NoteData":"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","Type":"Description","Title":"Email with special content can lead to DoS"}]}}}