CVE-2026-48946

{"id": "CVE-2026-48946", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-48946", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-06-25T00:00:00+00:00"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 3.4, "exploitabilityScore": 2.8}]}, "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": "2026-06-25T16:16:37.180", "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 frontend article-attachment upload path accepts files whose extension is `.php`, and Apache's standard mod_php matches `\\.php$` and executes them under the K2 web user. A K2 Author can upload a `shell.php`, then fetch `/media/k2/attachments/shell.php` and execute arbitrary PHP code in the web server's context."}], "lastModified": "2026-06-28T19:16:51.970", "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"}