VulnerabilityDeferred

CVE-2026-44167

This is a bypass of CVE-2024-27355.

HIGH 7.5EPSS 0.20%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.20%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1: 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.20% probability · 10th percentile
CISA KEV: Not listed
Weakness: CWE-400
Source: security-advisories@github.com

References

https://github.com/phpseclib/phpseclib/commit/d53d2021bcb9f6a04d5d44ec99e6bbef219a71bc
https://github.com/phpseclib/phpseclib/security/advisories/GHSA-3qpq-r242-jqj7

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.