{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-48793", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-22T20:18:20.366Z", "datePublished": "2026-06-24T18:22:18.293Z", "dateUpdated": "2026-06-24T18:50:40.962Z"}, "containers": {"cna": {"title": "Jellyfin: Potential FFmpeg argument injection via unescaped subtitle file path", "problemTypes": [{"descriptions": [{"cweId": "CWE-88", "lang": "en", "description": "CWE-88: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/jellyfin/jellyfin/security/advisories/GHSA-wwwm-px48-fpvq", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/jellyfin/jellyfin/security/advisories/GHSA-wwwm-px48-fpvq"}], "affected": [{"vendor": "jellyfin", "product": "jellyfin", "versions": [{"version": "< 10.11.10", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-06-24T18:22:18.293Z"}, "descriptions": [{"lang": "en", "value": "Jellyfin is an open source self hosted media server. Prior to 10.11.10, a potential FFmpeg argument injection vulnerability exists in the subtitle conversion code path. SubtitleEncoder.ConvertTextSubtitleToSrtInternal (SubtitleEncoder.cs, line 382) interpolates the subtitle file path into FFmpeg command-line arguments without calling EncodingUtils.NormalizePath(). On Linux, filenames can contain double-quote characters, which break the argument quoting and allow injection of arbitrary FFmpeg arguments. The vulnerability is reachable without authentication via SubtitleController.GetSubtitle, which has no [Authorize] attribute. An attacker who can place a file in a Jellyfin media library directory (shared NAS, Samba share, guest upload) can achieve arbitrary file write on the server and information disclosure. This vulnerability is fixed in 10.11.10."}], "source": {"advisory": "GHSA-wwwm-px48-fpvq", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-06-24T18:50:33.648943Z", "id": "CVE-2026-48793", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-24T18:50:40.962Z"}}]}}

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