{"id":"CVE-2026-120646","title":"CGI versions from 4.71 before 5.00 for Perl allow denial of service via a plain string dereferenced as a symbolic reference in uploadInfo","summary":"CGI versions from 4.71 before 5.00 for Perl allow denial of service via a plain string dereferenced as a symbolic reference in uploadInfo.\n\nuploadInfo dereferences its argument and calls its filename method without checking that it is an…","severity":"none","cwe":["CWE-843"],"product":"CGI","affected":["CGI >= 4.71 < 5.00"],"published":"2026-11-03","updated":"2026-11-03","sourceUpdated":"2026-11-03T23:40:59.008Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-120646","references":[{"url":"https://metacpan.org/release/LEEJO/CGI-4.72/source/lib/CGI.pm"},{"url":"https://metacpan.org/release/LEEJO/CGI-5.00/changes"},{"url":"https://github.com/leejo/CGI.pm/commit/a14a7decfdc18f2daf436d30df9b543e3f0f8da3.patch"}],"tags":["cve.org"],"epss":0.00183,"epssPercentile":0.07928,"ingestedAt":"2026-11-05T20:33:06.618Z","slug":"CVE-2026-120646","body":"## Overview\n\nCGI versions from 4.71 before 5.00 for Perl allow denial of service via a plain string dereferenced as a symbolic reference in uploadInfo.\n\nuploadInfo dereferences its argument and calls its filename method without checking that it is an upload filehandle. A plain string naming a defined global variable, such as the parameter value from ?upload=0, is treated as a symbolic reference, and the method call on it dies.\n\n## Affected\n\n- `CGI >= 4.71 < 5.00`\n\n## Remediation\n\nUpgrade to CGI 5.00 or later.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}