{"id":"CVE-2026-101126","title":"Joomla Extension - balbooa.com - File meta data tampering in Balbooa Forms < 2.4.3.4 - The final form submission processes JSON arrays per upload field, checking only that IDs are numeric","summary":"Joomla Extension - balbooa.com - File meta data tampering in Balbooa Forms < 2.4.3.4 - The final form submission processes JSON arrays per upload field, checking only that IDs are numeric. Client-supplied filenames and display names are …","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","cwe":["CWE-22","CWE-73"],"vendor":"balbooa","product":"forms","affected":["forms < 2.4.3.4"],"patched":["forms 2.4.3.4"],"published":"2026-09-29","updated":"2026-10-06","sourceUpdated":"2026-10-06T16:47:15.007","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-101126","references":[{"url":"https://www.balbooa.com/","label":"security@joomla.org"}],"tags":["nvd","cve.org"],"epss":0.00245,"epssPercentile":0.15654,"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-09-30T19:50:54.292346Z"},"scores":{"nvd":6.5,"cna":6.9},"ingestedAt":"2026-09-29T17:41:02.203Z","slug":"CVE-2026-101126","body":"## Overview\n\nJoomla Extension - balbooa.com - File meta data tampering in Balbooa Forms < 2.4.3.4 - The final form submission processes JSON arrays per upload field, checking only that IDs are numeric. Client-supplied filenames and display names are trusted directly, introducing potential cross-session claiming, metadata tampering, and path traversal risks (e.g., via getFilePath())\n\n## Affected\n\n- `forms < 2.4.3.4`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `forms 2.4.3.4`","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":216545,"id":"CVE-2026-101126","ts":1791306613446,"field":"cvss","old":"6.9","new":"6.5"}]}