Is CVE-2026-44167 actively exploited?

No active exploitation of CVE-2026-44167 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-44167 be exploited remotely?

Yes. CVE-2026-44167 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-44167?

CVE-2026-44167 has a CVSS score of 7.5 (HIGH).

HOME VULNERABILITIESCVE-2026-44167

HIGH

CVE-2026-44167

CWE-400Published: May 12, 2026· Updated: May 13, 2026

7.5

CVSS v3.1

EPSS:0.02%probability of exploitation in 30 daysPercentile:6.6th

Official Description

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.

NVD Source

Technical Analysis

CVE-2026-44167 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.