{"id":"CVE-2026-86305","title":"A security flaw has been discovered in light0011 cms c774dce31c6df0055568a8d5c53d964d99be199d/f72cf46f601efb2a0618c3814cc2f61380b38930","summary":"A security flaw has been discovered in light0011 cms c774dce31c6df0055568a8d5c53d964d99be199d/f72cf46f601efb2a0618c3814cc2f61380b38930. Affected by this issue is the function Upload::upload of the file ThinkPHP/Library/Think/Upload.class…","severity":"high","cvss":7.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","cwe":["CWE-284","CWE-434"],"vendor":"light0011","product":"cms","affected":["cms c774dce31c6df0055568a8d5c53d964d99be199d","cms f72cf46f601efb2a0618c3814cc2f61380b38930"],"published":"2026-09-07","updated":"2026-09-11","sourceUpdated":"2026-09-11T21:17:44.957","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-86305","references":[{"url":"https://github.com/light0011/cms/","label":"cna@vuldb.com"},{"url":"https://github.com/light0011/cms/issues/9","label":"cna@vuldb.com"},{"url":"https://vuldb.com/cve/CVE-2026-86305","label":"cna@vuldb.com"},{"url":"https://vuldb.com/submit/894804","label":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/399478","label":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/399478/cti","label":"cna@vuldb.com"}],"tags":["nvd","cve.org","exploit-available"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"partial","timestamp":"2026-09-11T20:02:53.512014Z"},"epss":0.00371,"epssPercentile":0.31053,"ingestedAt":"2026-09-08T15:33:26.977Z","slug":"CVE-2026-86305","body":"## Overview\n\nA security flaw has been discovered in light0011 cms c774dce31c6df0055568a8d5c53d964d99be199d/f72cf46f601efb2a0618c3814cc2f61380b38930. Affected by this issue is the function Upload::upload of the file ThinkPHP/Library/Think/Upload.class.php. Performing a manipulation results in unrestricted upload. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. This product adopts a rolling release strategy to maintain continuous delivery. Therefore, version details for affected or updated releases cannot be specified. The project was informed of the problem early through an issue report but has not responded yet.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version 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