{"id":"CVE-2026-48208","state":"PUBLISHED","title":"Denial-of-Service via SVG Rendering in Ticket","description":"An improper neutralization of active SVG content in OTRS or ((OTRS)) Community Edition ticket article rendering allows attackers to inject specially crafted SVG payloads via email content, leading to browser-side resource exhaustion and denial of service when affected tickets are opened by an agent or customer. The issue can be exploited without JavaScript execution and is not mitigated by the configured Content Security Policy (CSP).\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\n\nPlease note that ((OTRS)) Community Edition 6.x and before are vulnerable. Products based on the ((OTRS)) Community Edition also very likely to be affected","publishedAt":"2026-06-01T03:32:38.926Z","updatedAt":"2026-06-01T13:19:22.939Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/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":"affected","versions":[{"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","status":"affected"},{"version":"2026.x","status":"affected","lessThanOrEqual":"2026.3.x","versionType":"patch"}],"modules":["Agent Frontend","External Interface"]},{"vendor":"OTRS AG","product":"((OTRS)) Community Edition","defaultStatus":"affected","versions":[{"version":"6.x","status":"affected"}],"modules":["Agent Frontend","External Interface"]}],"references":["https://otrs.com/release-notes/otrs-security-advisory-2026-07/"],"weaknesses":["CWE-400","CWE-791"],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/48xxx/CVE-2026-48208.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-48208","state":"PUBLISHED","datePublished":"2026-06-01T03:32:38.926Z","dateUpdated":"2026-06-01T13:19:22.939Z","assignerShortName":"OTRS","assignerOrgId":"2e1bf29f-dc29-4ed8-830c-7b9348b6f0e8","dateReserved":"2026-05-21T12:12:49.645Z"},"containers":{"cna":{"title":"Denial-of-Service via SVG Rendering in Ticket","descriptions":[{"lang":"en","value":"An improper neutralization of active SVG content in OTRS or ((OTRS)) Community Edition ticket article rendering allows attackers to inject specially crafted SVG payloads via email content, leading to browser-side resource exhaustion and denial of service when affected tickets are opened by an agent or customer. The issue can be exploited without JavaScript execution and is not mitigated by the configured Content Security Policy (CSP).\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\n\nPlease note that ((OTRS)) Community Edition 6.x and before are vulnerable. Products based on the ((OTRS)) Community Edition also very likely to be affected"}],"affected":[{"vendor":"OTRS AG","product":"OTRS","defaultStatus":"affected","versions":[{"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","status":"affected"},{"version":"2026.x","status":"affected","lessThanOrEqual":"2026.3.x","versionType":"patch"}],"modules":["Agent Frontend","External Interface"]},{"vendor":"OTRS AG","product":"((OTRS)) Community Edition","defaultStatus":"affected","versions":[{"version":"6.x","status":"affected"}],"modules":["Agent Frontend","External Interface"]}],"references":[{"url":"https://otrs.com/release-notes/otrs-security-advisory-2026-07/"}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/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-791","description":"CWE-791 Incomplete Filtering of Special Elements","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"OTRS","orgId":"2e1bf29f-dc29-4ed8-830c-7b9348b6f0e8","dateUpdated":"2026-06-01T03:32:38.926Z"},"credits":[{"lang":"en","type":"reporter","value":"Special thanks to Daniel Triznafor reporting this vulnerability"}],"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-2026-07","defect":["Ticket#2026052110000251","Issue#4802"],"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-01T13:19:13.837405Z","id":"CVE-2026-48208","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":"2026-06-01T13:19:22.939Z"}}]}}}