CVE-2026-120637
CGI versions before 5.00 for Perl take request parameters from the process command line arguments for an unrecognised REQUEST_METHOD
CGI versions before 5.00 for Perl take request parameters from the process command line arguments for an unrecognised REQUEST_METHOD.
For a REQUEST_METHOD such as OPTIONS, CGI falls through to its offline debugging mode, which is on by default, and builds the parameters and path_info from the process's command line arguments.
Exploit likelihood
What each source reports
CVE List No score
CGI versions before 5.00 for Perl take request parameters from the process command line arguments for an unrecognised REQUEST_METHOD
CGI versions before 5.00 for Perl take request parameters from the process command line arguments for an unrecognised REQUEST_METHOD.
For a REQUEST_METHOD such as OPTIONS, CGI falls through to its offline debugging mode, which is on by default, and builds the parameters and path_info from the process's command line arguments.
- Record
CVE-2026-120637- Weakness
- CWE-489
- Updated
- 2026-11-04
EUVDEUVD-2026-116604 No score
CGI versions before 5.00 for Perl take request parameters from the process command line arguments for an unrecognised REQUEST_METHOD.
For a REQUEST_METHOD such as OPTIONS, CGI falls through to its offline debugging mode, which is on by default, and builds the parameters and path_info from the process's command line arguments.
- Record
EUVD-2026-116604- Updated
- 2026-11-04
GitHub AdvisoriesGHSA-vf96-5xh3-hp53 No score
CGI versions before 5.00 for Perl take request parameters from the process command line arguments...
CGI versions before 5.00 for Perl take request parameters from the process command line arguments for an unrecognised REQUEST_METHOD.
For a REQUEST_METHOD such as OPTIONS, CGI falls through to its offline debugging mode, which is on by default, and builds the parameters and path_info from the process's command line arguments.
- Record
GHSA-vf96-5xh3-hp53- Weakness
- CWE-489
- Updated
- 2026-11-04
NVD No score
CGI versions before 5.00 for Perl take request parameters from the process command line arguments for an unrecognised REQUEST_METHOD.
For a REQUEST_METHOD such as OPTIONS, CGI falls through to its offline debugging mode, which is on by default, and builds the parameters and path_info from the process's command line arguments.
- Record
CVE-2026-120637- Weakness
- CWE-489
- Updated
- 2026-11-04
OSVAZL-112801 No score
CVE-2026-120637 affecting package perl-CGI 4.60-1
CGI versions before 5.00 for Perl take request parameters from the process command line arguments for an unrecognised REQUEST_METHOD.
For a REQUEST_METHOD such as OPTIONS, CGI falls through to its offline debugging mode, which is on by default, and builds the parameters and path_info from the process's command line arguments.
- Record
AZL-112801- Updated
- 2026-11-07
OSV No score
CGI versions before 5.00 for Perl take request parameters from the process command line arguments for an unrecognised REQUEST_METHOD
CGI versions before 5.00 for Perl take request parameters from the process command line arguments for an unrecognised REQUEST_METHOD.
For a REQUEST_METHOD such as OPTIONS, CGI falls through to its offline debugging mode, which is on by default, and builds the parameters and path_info from the process's command line arguments.
- Record
CVE-2026-120637- Weakness
- CWE-489
- Updated
- 2026-11-07
OSVDEBIAN-CVE-2026-120637 No score
CGI versions before 5.00 for Perl take request parameters from the process command line arguments for an unrecognised REQUEST_METHOD. For a REQUEST_METHOD such as OPTIONS, CGI falls through to its offline debugging mode, which is on by default, and builds the parameters and path_info from the process's command line arguments.
- Record
DEBIAN-CVE-2026-120637- Updated
- 2026-11-05
OSVopenSUSE-SU-2026:12465-1 No score
perl-CGI-5.20.0-1.1 on GA media
These are all security issues fixed in the perl-CGI-5.20.0-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2026:12465-1- Updated
- 2026-11-07
OSVUBUNTU-CVE-2026-120637 No score
CGI versions before 5.00 for Perl take request parameters from the process command line arguments for an unrecognised REQUEST_METHOD. For a REQUEST_METHOD such as OPTIONS, CGI falls through to its offline debugging mode, which is on by default, and builds the parameters and path_info from the process's command line arguments.
- Record
UBUNTU-CVE-2026-120637- Updated
- 2026-11-05
Affected packages
| Package | Affected | Fixed |
|---|---|---|
perl-CGIAzure Linux:3 |
through 4.60-1 | None known |
libcgi-pm-perlDebian:12 |
All versions, plus listed versions 4.55-14.57-14.59-14.60-14.61-1 Show 11 moreShow less4.62-14.63-14.64-14.65-14.66-14.67-14.68-14.70-14.71-14.72-15.02-1 |
None known |
libcgi-pm-perlDebian:13 |
All versions, plus listed versions 4.68-14.70-14.71-14.72-15.02-1 |
None known |
libcgi-pm-perlDebian:14 |
All versions, plus listed versions 4.68-14.70-14.71-14.72-15.02-1 |
None known |
libcgi-pm-perlUbuntu:16.04:LTS |
All versions, plus listed versions 4.21-14.22-14.25-14.26-1 |
None known |
libcgi-pm-perlUbuntu:18.04:LTS |
All versions, plus listed versions 4.36-14.37-14.38-1 |
None known |
libcgi-pm-perlUbuntu:20.04:LTS |
All versions, plus listed versions 4.44-14.45-14.46-1 |
None known |
libcgi-pm-perlUbuntu:22.04:LTS |
All versions, plus listed versions 4.51-14.53-14.54-1 |
None known |
libcgi-pm-perlUbuntu:24.04:LTS |
All versions, plus listed versions 4.57-14.60-14.61-14.62-14.63-1 |
None known |
libcgi-pm-perlUbuntu:26.10 |
All versions, plus listed versions 4.71-1build14.72-1 |
None known |
libcgi-pm-perlUbuntu:26.04:LTS |
All versions, plus listed versions 4.68-14.71-14.71-1build1 |
None known |
perl-CGIopenSUSE:Tumbleweed From an advisory covering 20 CVEs |
before 5.20.0-1.1 | 5.20.0-1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, aliases, references | OSV | |
| affected, aliases, references | OSV | |
| affected, aliases, references | NVD, OSV | |
| references | OSV | |
| affected, aliases, references | OSV | |
| aliases | EUVD, NVD | |
| first indexed | CVE List, GitHub Advisories |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-120637 is a vulnerability with no CVSS score yet in perl-CGI, published November 3, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.19%, the 8th percentile. No source names a fixed version.
References
metacpan.org/release/LEEJO/CGI-4.72/source/lib/CGI.pm
github.com/leejo/CGI.pm/commit/b753ff75a3bc4554c075cc37c1db605a55297029.patch
nvd.nist.gov/vuln/detail/CVE-2026-120637
cpan.org/modules
Show 27 moreShow less
security-tracker.debian.org/tracker/CVE-2026-120637
ubuntu.com/security/CVE-2026-120637
cve.org/CVERecord?id=CVE-2026-120637
lists.security.metacpan.org/cve-announce/msg/44874823
suse.com/security/cve/CVE-2026-120631