CVE-2026-44167
Published:May 12, 2026
Updated:May 16, 2026
phpseclib is a PHP secure communications library. Prior to 1.0.29, 2.0.54, and 3.0.52, anyone loading untrusted ASN1 files (eg. X509 certificates, RSA PKCS8 private or public keys, etc). This is a bypass of CVE-2024-27355. This vulnerability is fixed in 1.0.29, 2.0.54, and 3.0.52.
Affected Packages
https://github.com/phpseclib/phpseclib.git (GITHUB):
Affected version(s) >=2.0.0 <2.0.54Fix Suggestion:
Update to version 2.0.54https://github.com/phpseclib/phpseclib.git (GITHUB):
Affected version(s) >=0.1.0 <1.0.29Fix Suggestion:
Update to version 1.0.29https://github.com/phpseclib/phpseclib.git (GITHUB):
Affected version(s) >=3.0.0 <3.0.52Fix Suggestion:
Update to version 3.0.52phpseclib/phpseclib (PHP):
Affected version(s) >=0.1.1 <1.0.29Fix Suggestion:
Update to version 1.0.29phpseclib/phpseclib (PHP):
Affected version(s) >=2.0.0 <2.0.54Fix Suggestion:
Update to version 2.0.54phpseclib/phpseclib (PHP):
Affected version(s) >=0.1.0 <1.0.29Fix Suggestion:
Update to version 1.0.29phpseclib/phpseclib (PHP):
Affected version(s) >=3.0.0 <3.0.52Fix Suggestion:
Update to version 3.0.52Related Resources (4)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Uncontrolled Resource Consumption
EPSS
Base Score:
0.02