CVE-2026-48945

{"id": "CVE-2026-48945", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-48945", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-25T18:45:48.959013Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"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"}, "impactScore": 1.4, "exploitabilityScore": 3.9}]}, "affected": [{"source": "security@joomla.org", "affectedData": [{"vendor": "getk2.org", "product": "K2 extension for Joomla", "versions": [{"status": "affected", "version": "1.0-2.26"}], "defaultStatus": "unaffected"}]}], "published": "2026-06-25T16:16:37.060", "references": [{"url": "https://www.getk2.org/", "tags": ["Product"], "source": "security@joomla.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security@joomla.org", "description": [{"lang": "en", "value": "CWE-434"}]}], "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 \u2014 non-image files (including `.php`) are extracted as-is and remain executable via direct HTTP access."}], "lastModified": "2026-06-28T19:16:51.837", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:joomlaworks:k2:*:*:*:*:*:joomla\\!:*:*", "vulnerable": true, "matchCriteriaId": "75F0068E-23F6-4BDC-97E2-AAD0D06F5D72", "versionEndIncluding": "2.26"}], "operator": "OR"}]}], "sourceIdentifier": "security@joomla.org"}