Is there a public exploit for CVE-2026-120637?

No public exploit for CVE-2026-120637 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

— Unscored

CGI versions before 5.00 for Perl take request parameters from the process command line arguments for an unrecognised REQUESTMETHOD.

CVE-2026-120637

CGI versions before 5.00 for Perl take request parameters from the process command line arguments for an unrecognised REQUESTMETHOD. For a REQUESTMETHOD such as OPTIONS, CGI falls through to its offline debugging mode, which is on by default, and builds the parameters and pathinfo from the process's command line arguments.

Assessment

CVSS: Not yet scored
Severity: Unscored
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 3 November 2026
Last updated: 3 November 2026
Assigner: CPANSec

At the source

EUVD (ENISA)

References

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