{"id":"CVE-2026-48945","title":"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 …","summary":"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 …","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","cwe":["CWE-434"],"published":"2026-06-25","updated":"2026-06-28","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-48945","references":[{"url":"https://www.getk2.org/","label":"security@joomla.org"}],"tags":["nvd"],"epss":0.0033,"epssPercentile":0.26276,"ingestedAt":"2026-06-29T13:42:12.012Z","slug":"CVE-2026-48945","body":"## Overview\n\nThe 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}