CVE-2026-120644
Unknown
Description
CGI::Cookie versions before 5.00 for Perl allow cookie attribute injection via unvalidated path, domain and expires values. The path, domain and expires values are written into the Set-Cookie header without checking for semicolons or control characters. An application that sets them from request data can be made to add other cookie attributes, such as Domain or SameSite.
SeverityUnknown
CVSS—
Exploit probability—
ProductCgi
PublishedNov 4, 2026
First seenNov 4, 2026
Weakness typeCWE-116CWE-116
How to fix
Update
- CGI5.00 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| CGI | v < 5.00 | 5.00 |
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