ALSA-2026:46398 Important: libreswan security update

Libreswan is an implementation of IPsec and IKE for Linux. IPsec is the Internet Protocol Security and uses strong cryptography to provide both authentication and encryption services. These services allow you to build secure tunnels through untrusted networks such as virtual private network VPN...

Siemens SIMATIC S7-1500 CPU 1518 MFP Reachable Assertion (CVE-2026-4046)

This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable, Inc. include'compat.inc'; if description scriptid505580; scriptversion"1.2"; scriptsetattributeattribute:"pluginmodificationdate",...

AlmaLinux 9 : libreswan (ALSA-2026:46397)

The remote AlmaLinux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-2026:46397 advisory. librenswan: IKEv1 Denial of Service via RSA-SHA1 PKCS1 Version 1.5 Encrypted authentication payload CVE-2026-50721 librenswan: IKEv2 Denial of Service vi...

Siemens SIMATIC S7-1500 CPU 1518 MFP Reachable Assertion (CVE-2026-27135)

This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable, Inc. include'compat.inc'; if description scriptid505653; scriptversion"1.3"; scriptsetattributeattribute:"pluginmodificationdate",...

RockyLinux 9 : libreswan (RLSA-2026:46397)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:46397 advisory. librenswan: IKEv1 Denial of Service via RSA-SHA1 PKCS1 Version 1.5 Encrypted authentication payload CVE-2026-50721 librenswan: IKEv2 Denial of Service v...

AlmaLinux 10 : libreswan (ALSA-2026:46398)

The remote AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:46398 advisory. librenswan: IKEv1 Denial of Service via RSA-SHA1 PKCS1 Version 1.5 Encrypted authentication payload CVE-2026-50721 librenswan: IKEv2 Denial of Service v...

SUSE CVE-2026-14586

In NLnet Labs Unbound 1.22.0 up to and including 1.25.1, in DNS-over-QUIC environments, with high concurrency and under pressure, an assertion in libngtcp2 about monotonic timestamps could trigger and result in server termination and thus denial of service. When interfacing with libngtcp2, for...

CVE-2026-45815 Apache NimBLE: Remote reachable assertion in ATT Read Multiple Variable Response handler

Reachable Assertion vulnerability in Apache NimBLE. A specially crafted ATT Read Multiple Variable Response BLEATTOPREADMULTVARRSP may trigger assert in ATT parser. Severity is medium as this requires DUT to first send ATT Read Multiple Variable Request. This issue affects Apache NimBLE: through...

The vulnerability of the Oracle WebLogic Server application server’s kernel allows attackers to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability of the Oracle WebLogic Server application server’s kernel is related to deficiencies in the authentication process. Exploiting this vulnerability allows an attacker to compromise the confidentiality, integrity, and accessibility of the protected information using the SAML protoc...

CVE-2026-15981

The SAML Single Sign On – SSO Login plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 5.4.4. This is due to the mosamlvalidatesignature function performing a loose boolean check on the raw tri-state integer returned by PHP's opensslverify, causing a...

CVE-2026-15981

The CVE describes an unauthenticated authentication bypass in the WordPress SAML SSO Login plugin up to version 5.4.4. The root cause is mo_saml_validate_signature() evaluating the OpenSSL verify result (-1) as truthy due to a loose boolean check on the value returned by PHP openssl_verify(). Thi...

CVE-2026-15614

Logto silently fails to delete IdP-initiated SAML sessions, enabling session replay and reuse within the session’s validity window...

CVE-2026-15615

Logto omits validation of the SAML element, enabling attackers to strip time and audience restrictions and replay assertions indefinitely...

CVE-2026-15614

CVE-2026-15614 affects Logto: IdP-initiated SAML sessions are not handled atomically, as session lookup may complete before deletion. This can allow the same session identifier to pass validation twice, enabling replay/dual sign-ins within the session’s window. The description and connected refer...

EUVD-2026-48303

Logto silently fails to delete IdP-initiated SAML sessions, enabling session replay and reuse within the session’s validity window...

CVE-2026-15615 SAML <Conditions> element not validated

Logto omits validation of the SAML element, enabling attackers to strip time and audience restrictions and replay assertions indefinitely...

CVE-2026-15615

Technical details about CVE-2026-15615 are not publicly available in the provided connected documents. Monitor for updates.

EUVD-2026-48302

Logto omits validation of the SAML element, enabling attackers to strip time and audience restrictions and replay assertions indefinitely...

Remote DNS-over-QUIC (DoQ) flow-control assertion failure in libngtcp2

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PT-2026-64019

Name of the Vulnerable Software and Affected Versions Logto affected versions not specified Description Logto fails to validate the SAML element. This allows attackers to remove time and audience restrictions, which enables the indefinite replay of assertions. SAML Security Assertion Markup...