EUVD Vulnerability Catalog
EUVD-2026-116611
Severity: CRITICAL
Base Score: 9.1
CVSS Version: 3.1
Vulnerability 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.
CVSS Vector Analysis
Below is the complete, human-readable breakdown of the CVSS metric string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
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Attack Vector (AV): Network
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Attack Complexity (AC): Low
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Privileges Required (PR): None
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User Interaction (UI): None
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Scope (S): Unchanged
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Confidentiality Impact (C): High
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Integrity Impact (I): High
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Availability Impact (A): None
References & Advisory Links
Metadata Profile
Database Authority
European Union Agency for Cybersecurity (ENISA) EUVD
Assigner
CPANSec
EPSS Probability
0.21
Known Aliases
GHSA-mcq5-fxjx-6f4r
CVE-2026-120644
Published On
2026-11-03
Last Updated
2026-11-09