{"id":"CVE-2026-48187","state":"PUBLISHED","title":"Email with special content can lead to DoS","description":"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","publishedAt":"2026-06-01T03:33:23.990Z","updatedAt":"2026-06-01T13:17:04.742Z","severity":{"score":5.7,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H","source":"OTRS"},"assigner":"OTRS","products":["OTRS AG OTRS","OTRS AG ((OTRS)) Community Edition"],"affected":[{"vendor":"OTRS AG","product":"OTRS","defaultStatus":"unknown","versions":[{"version":"7.0.x","status":"unknown"},{"version":"8.0.x","status":"affected"},{"version":"2023.x","status":"affected"},{"version":"2024.x","status":"affected"},{"version":"2025.x","status":"affected"},{"version":"2026.x","status":"affected","lessThanOrEqual":"2026.3.x","versionType":"patch"}],"modules":["Mail Backend"]},{"vendor":"OTRS AG","product":"((OTRS)) Community Edition","defaultStatus":"unknown","versions":[{"version":"6.x","status":"unknown"}]}],"references":["https://otrs.com/release-notes/otrs-security-advisory-2026-06/"],"weaknesses":["CWE-400","CWE-770"],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/48xxx/CVE-2026-48187.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-48187","state":"PUBLISHED","datePublished":"2026-06-01T03:33:23.990Z","dateUpdated":"2026-06-01T13:17:04.742Z","assignerShortName":"OTRS","assignerOrgId":"2e1bf29f-dc29-4ed8-830c-7b9348b6f0e8","dateReserved":"2026-05-21T07:53:13.253Z"},"containers":{"cna":{"title":"Email with special content can lead to DoS","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"}],"affected":[{"vendor":"OTRS AG","product":"OTRS","defaultStatus":"unknown","versions":[{"version":"7.0.x","status":"unknown"},{"version":"8.0.x","status":"affected"},{"version":"2023.x","status":"affected"},{"version":"2024.x","status":"affected"},{"version":"2025.x","status":"affected"},{"version":"2026.x","status":"affected","lessThanOrEqual":"2026.3.x","versionType":"patch"}],"modules":["Mail Backend"]},{"vendor":"OTRS AG","product":"((OTRS)) Community Edition","defaultStatus":"unknown","versions":[{"version":"6.x","status":"unknown"}]}],"references":[{"url":"https://otrs.com/release-notes/otrs-security-advisory-2026-06/"}],"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":{"shortName":"OTRS","orgId":"2e1bf29f-dc29-4ed8-830c-7b9348b6f0e8","dateUpdated":"2026-06-01T03:33:23.990Z"},"datePublic":"2026-06-01T07:00:00.000Z","impacts":[{"capecId":"CAPEC-130","descriptions":[{"lang":"en","value":"CAPEC-130 Excessive Allocation"}]}],"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"},"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-01T13:16:53.155447Z","id":"CVE-2026-48187","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-01T13:17:04.742Z"}}]}}}