{"id":"CVE-2026-48945","state":"PUBLISHED","title":"Joomla Extension - getk2.org - Privileged RCE vulnerability in K2 extension for Joomla < 2.26","description":"The K2 article gallery upload path accepts a zip/tar archive, extracts it under `/media/k2/galleries/<id>/`, and only renames image files (gif/jpg/jpeg/png/webp) to safe names — non-image files (including `.php`) are extracted as-is and remain executable via direct HTTP access.","publishedAt":"2026-06-25T15:26:48.917Z","updatedAt":"2026-06-28T18:39:05.415Z","severity":{"score":5.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","source":"CISA-ADP"},"assigner":"Joomla","products":["getk2.org K2 extension for Joomla"],"affected":[{"vendor":"getk2.org","product":"K2 extension for Joomla","defaultStatus":"unaffected","versions":[{"version":"1.0-2.26","status":"affected"}]}],"references":["https://www.getk2.org/"],"weaknesses":["CWE-434"],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/48xxx/CVE-2026-48945.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-48945","state":"PUBLISHED","datePublished":"2026-06-25T15:26:48.917Z","dateUpdated":"2026-06-28T18:39:05.415Z","assignerShortName":"Joomla","assignerOrgId":"6ff30186-7fb7-4ad9-be33-533e7b05e586","dateReserved":"2026-05-26T16:47:13.550Z"},"containers":{"cna":{"title":"Joomla Extension - getk2.org - Privileged RCE vulnerability in K2 extension for Joomla < 2.26","descriptions":[{"lang":"en","value":"The K2 article gallery upload path accepts a zip/tar archive, extracts it under `/media/k2/galleries/<id>/`, and only renames image files (gif/jpg/jpeg/png/webp) to safe names — non-image files (including `.php`) are extracted as-is and remain executable via direct HTTP access."}],"affected":[{"vendor":"getk2.org","product":"K2 extension for Joomla","defaultStatus":"unaffected","versions":[{"version":"1.0-2.26","status":"affected"}]}],"references":[{"url":"https://www.getk2.org/","tags":["product"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-434","description":"CWE-434 Unrestricted Upload via archive extraction","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"Joomla","orgId":"6ff30186-7fb7-4ad9-be33-533e7b05e586","dateUpdated":"2026-06-28T18:39:05.415Z"},"credits":[{"lang":"en","type":"finder","value":"Matan Bahar"},{"lang":"en","type":"finder","value":"Niv Kochan"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.3,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"LOW"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-06-25T18:45:48.959013Z","id":"CVE-2026-48945","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-25T18:45:53.728Z"}}]}}}