Vulnerability DatabaseCVE-2018-25160
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CVE-2018-25160
February 27, 2026
HTTP::Session2 versions through 1.09 for Perl does not validate the format of user provided session ids, enabling code injection or other impact depending on session backend. For example, if an application uses memcached for session storage, then it may be possible for a remote attacker to inject memcached commands in the session id value.
Affected Packages
https://github.com/tokuhirom/HTTP-Session2.git (GITHUB):
Affected version(s) >=0.01 <1.10
Fix Suggestion:
Update to version 1.10
Related Resources (4)
https://metacpan.org/pod/Cache::Memcached::Fast::Safe
https://github.com/tokuhirom/HTTP-Session2/commit/813838f6d08034b6a265a70e53b59b941b5d3e6d.patch
https://metacpan.org/release/TOKUHIROM/HTTP-Session2-1.10/source/Changes
http://www.openwall.com/lists/oss-security/2026/02/27/13
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CVSS v4
Base Score:
6.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
9.1
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Improper Input Validation
CWE-20
EPSS
Base Score:
0.02