CVE-2026-120644

    Dashboard / Vulnerabilities / CVE-2026-120644

    CVE-2026-120644

    Published: 3 Nov 2026Last Modified: 7 Nov 2026

    Summary: CGI::Cookie versions before 5.00 for Perl allow cookie attribute injection via unvalidated path, domain and expires values

    Details: 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.

    References: https://cpan.org/modules, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/120xxx/CVE-2026-120644.json, https://metacpan.org/release/LEEJO/CGI-5.00/changes, https://nvd.nist.gov/vuln/detail/CVE-2026-120644, https://github.com/leejo/CGI.pm/commit/0b3527faaa9de55f79ca7d59dd3bcfb2c5540e00.patch, https://github.com/leejo/CGI.pm, https://metacpan.org/release/LEEJO/CGI-4.72/source/lib/CGI/Cookie.pm

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -0b3527faaa9de55f79ca7d59dd3bcfb2c5540e00

    Affected versions

    v4.72

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2026-120644 | CVE-DB