UNKNOWN NVD
CVE-2026-120634
CGI::Carp versions before 5.00 for Perl leak warnings across requests in persistent environments via the warningsToBrowser buffer. Warnings are held in a packa
CGI::Carp versions before 5.00 for Perl leak warnings across requests in persistent environments via the warningsToBrowser buffer.
Warnings are held in a package-level buffer until warningsToBrowser writes them into the page as HTML comments, and the buffer is never cleared between requests. Under mod_perl, FastCGI or PSGI, warnings from one request are written into a later one.
Warnings that contain one user's request data can appear in the HTML sent to another user.
References
- https://github.com/leejo/CGI.pm/commit/604a83fec105f75fe06f1a75026c4c34fd5a1f61.patch
- https://metacpan.org/release/LEEJO/CGI-4.72/source/lib/CGI/Carp.pm
- https://metacpan.org/release/LEEJO/CGI-5.00/changes
This unknown severity vulnerability was published on 2026-11-04 via NVD.
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