CVE-2026-55599

creationtimestamp| type| source ---|---|--- 2026-07-08 18:35:03+00:00| published-proof-of-concept| https://github.com/phpseclib/phpseclib/security/advisories/GHSA-m557-wrgg-6rp4...

Linux Distros Unpatched Vulnerability : CVE-2026-55599

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - phpseclib is a PHP secure communications library. From 0.1.1 until 1.0.30, 2.0.55, and 3.0.54, when an application validates an untrusted X.509 certificate with...

DEBIAN-CVE-2026-55599

phpseclib is a PHP secure communications library. From 0.1.1 until 1.0.30, 2.0.55, and 3.0.54, when an application validates an untrusted X.509 certificate with phpseclib, X509::validateSignature reads a URL out of that certificate's Authority Information Access AIA extension and connects to it...

CVE-2026-55599

phpseclib is a PHP secure communications library. From 0.1.1 until 1.0.30, 2.0.55, and 3.0.54, when an application validates an untrusted X.509 certificate with phpseclib, X509::validateSignature reads a URL out of that certificate's Authority Information Access AIA extension and connects to it...

UBUNTU-CVE-2026-55599

phpseclib is a PHP secure communications library. From 0.1.1 until 1.0.30, 2.0.55, and 3.0.54, when an application validates an untrusted X.509 certificate with phpseclib, X509::validateSignature reads a URL out of that certificate's Authority Information Access AIA extension and connects to it...

CVE-2026-55599

phpseclib is a PHP secure communications library. From 0.1.1 until 1.0.30, 2.0.55, and 3.0.54, when an application validates an untrusted X.509 certificate with phpseclib, X509::validateSignature reads a URL out of that certificate's Authority Information Access AIA extension and connects to it...

CVE-2026-55599

phpseclib is a PHP secure communications library. From 0.1.1 until 1.0.30, 2.0.55, and 3.0.54, when an application validates an untrusted X.509 certificate with phpseclib, X509::validateSignature reads a URL out of that certificate's Authority Information Access AIA extension and connects to it...

CVE-2026-55599

phpseclib (versions 0.1.1 through 1.0.30, 2.0.55, and 3.0.54) vulnerability: X509::validateSignature() reads a URL from the certificate's Authority Information Access extension and connects to it, enabling an attacker supplying a cert to fully control the outbound connection (host, port, path). T...

CVE-2026-55599 phpseclib: X.509 certificate validation sends attacker-controlled outbound requests (server-side request forgery) via Authority Information Access

phpseclib is a PHP secure communications library. From 0.1.1 until 1.0.30, 2.0.55, and 3.0.54, when an application validates an untrusted X.509 certificate with phpseclib, X509::validateSignature reads a URL out of that certificate's Authority Information Access AIA extension and connects to it...

CVE-2026-55599 phpseclib: X.509 certificate validation sends attacker-controlled outbound requests (server-side request forgery) via Authority Information Access

phpseclib is a PHP secure communications library. From 0.1.1 until 1.0.30, 2.0.55, and 3.0.54, when an application validates an untrusted X.509 certificate with phpseclib, X509::validateSignature reads a URL out of that certificate's Authority Information Access AIA extension and connects to it...

phpseclib: X.509 certificate validation sends attacker-controlled outbound requests (server-side request forgery) via Authority Information Access

Summary When an application validates an untrusted X.509 certificate with phpseclib, X509::validateSignature reads a URL out of that certificate's Authority Information Access AIA extension and connects to it. Attacker who supplies certificate fully controls host, port, and path of that connectio...

Security update for cacti (moderate)

openSUSE Security Update: Security update for cacti Announcement ID: openSUSE-SU-2026:0189-1 Rating: moderate References: Cross-References: CVE-2024-27355 Affected Products: openSUSE Backports SLE-15-SP7 An update that fixes one vulnerability is now available. Description: This update for cacti...

SUSE CVE-2024-27355

An issue was discovered in phpseclib 1.x before 1.0.23, 2.x before 2.0.47, and 3.x before 3.0.36. When processing the ASN.1 object identifier of a certificate, a sub identifier may be provided that leads to a denial of service CPU consumption for decodeOID...

Linux Distros Unpatched Vulnerability : CVE-2026-44167

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

CVE-2026-44167

A flaw was found in phpseclib, a PHP secure communications library. This vulnerability allows a remote attacker to trigger a denial of service by providing specially crafted, untrusted ASN.1 Abstract Syntax Notation One files, such as X.509 certificates or RSA private/public keys. This issue is a...

CVE-2026-44167

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...

DEBIAN-CVE-2026-44167

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...

CVE-2026-44167

phpseclib contains a mitigation bypass for CVE-2024-27355 in the OID handling path (ASN1::decodeOID). Prior to versions 1.0.29, 2.0.54, and 3.0.52, loading untrusted ASN.1 data (e.g., X.509 certificates, RSA keys) could trigger a denial-of-service. The vulnerability is fixed in 1.0.29, 2.0.54, an...

CVE-2026-44167 phpseclib: CVE-2024-27355 mitigation bypass — OID amplification DoS in ASN1::decodeOID()

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...

CVE-2026-44167 phpseclib: CVE-2024-27355 mitigation bypass — OID amplification DoS in ASN1::decodeOID()

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...