connectwise-automate-AiTM-rce

ConnectWise Automate Adversary-in-the-Middle Remote Code Execution Table of Contents Background Timeline Thoughts and Learnings Responsible Disclosure PoC Code Report Provided to ConnectWise Summary Vulnerable Configuration Impact Technical Details 1. HTTP Transport 2. Insufficient Protocol...

kernel: macsec: fix replay protection at XPN lower-PN wrap

A flaw was found in the Linux kernel's MACsec Media Access Control Security subsystem. When using Extended Packet Numbering XPN, a vulnerability exists where the replay protection mechanism can be bypassed. An attacker can exploit an integer overflow when the packet number reaches its maximum...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

kernel: macsec: fix replay protection at XPN lower-PN wrap

A flaw was found in the Linux kernel's MACsec Media Access Control Security subsystem. When using Extended Packet Numbering XPN, a vulnerability exists where the replay protection mechanism can be bypassed. An attacker can exploit an integer overflow when the packet number reaches its maximum...

ALSA-2026:81552 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: drm/xe/uapi: Reject cohnone PAT index for CPU cached memory in madvise CVE-2026-46309 kernel: macsec: fix replay protection at XPN lower-PN wrap CVE-2026-63925 kernel: bpf: Support for...

fwknop

fwknop - Autorización de Paquete Único Introducción fwknop implementa un esquema de autorización conocido como Autorización de Paquete Único SPA, por sus siglas en inglés para un fuerte ocultamiento de servicios. SPA requiere solo un único paquete que está cifrado, no reproducible y autenticado...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: macsec: Fixed the replay protection issue when pn wraps at U32MAX. In macsecpostdecrypt, when pn is U32MAX, pn + 1 causes an overflow from a 32-bit value to 0. As a result, the first branch never executes. If nextpnhalves.lower i...

CVE-2026-100834

http4k's Digest authentication module org.http4k:http4k-security-digest before versions 6.48.0.0, 5.42.0.0 and 4.51.0.0 defaults the nonceVerifier parameter of ServerFilters.DigestAuth and DigestAuthProvider to true , so every nonce is accepted regardless of its value, age, or prior use...

CVE-2026-100834 http4k before 6.48.0.0 Digest Authentication Replay Protection Bypass

http4k's Digest authentication module org.http4k:http4k-security-digest before versions 6.48.0.0, 5.42.0.0 and 4.51.0.0 defaults the nonceVerifier parameter of ServerFilters.DigestAuth and DigestAuthProvider to true , so every nonce is accepted regardless of its value, age, or prior use...

CVE-2026-100834

The http4k library's Digest authentication module (org.http4k:http4k-security-digest ) is vulnerable in versions before 6.48.0.0 , 5.42.0.0 , and 4.51.0.0 . The root cause is that the nonceVerifier parameter in ServerFilters.DigestAuth and DigestAuthProvider defaults to { true }, meaning every no...

CVE-2026-100834

http4k's Digest authentication module org.http4k:http4k-security-digest before versions 6.48.0.0, 5.42.0.0 and 4.51.0.0 defaults the nonceVerifier parameter of ServerFilters.DigestAuth and DigestAuthProvider to true , so every nonce is accepted regardless of its value, age, or prior use...

CVE-2026-100834 http4k before 6.48.0.0 Digest Authentication Replay Protection Bypass

http4k's Digest authentication module org.http4k:http4k-security-digest before versions 6.48.0.0, 5.42.0.0 and 4.51.0.0 defaults the nonceVerifier parameter of ServerFilters.DigestAuth and DigestAuthProvider to true , so every nonce is accepted regardless of its value, age, or prior use...

CVE-2026-100834 http4k before 6.48.0.0 Digest Authentication Replay Protection Bypass

http4k's Digest authentication module org.http4k:http4k-security-digest before versions 6.48.0.0, 5.42.0.0 and 4.51.0.0 defaults the nonceVerifier parameter of ServerFilters.DigestAuth and DigestAuthProvider to true , so every nonce is accepted regardless of its value, age, or prior use...

CVE-2026-90997 Keycloak-services: keycloak: replay protection bypass leads to unauthorized access via database driver semantics mismatch

A flaw was found in Keycloak. When deployed in stateless mode with MySQL or MariaDB, a mismatch in row-count semantics between the database driver and Keycloak's application logic allows an attacker to bypass replay protection. This vulnerability enables an attacker who intercepts single-use...

CVE-2026-90997

Keycloak deployments in stateless mode with MySQL or MariaDB are affected by a replay protection bypass caused by a mismatch in row-count semantics between the database driver and Keycloak's application logic. An attacker who intercepts single-use security artifacts—such as JWT client assertions ...

PT-2026-95069

Name of the Vulnerable Software and Affected Versions Keycloak versions 26.7.0 through 26.7.3 Description A flaw exists when the software is deployed in stateless mode using MySQL or MariaDB. A mismatch in row-count semantics between the database driver and the application logic allows the replay...

EUVD-2026-79236

Http4s is a Scala interface for HTTP services. Prior to 0.23.35 and 1.0.0-M47, DigestAuth replay protection records lastNc plus one instead of the highest nonce-count value it has accepted. When a legitimate client sends noncontiguous nc values because of parallel or retried requests, the stored...

SAML SSO - Service Provider - Moderately critical - Insufficient replay protection - SA-CONTRIB-2026-150

This module allows you to configure your Drupal site as a SAML 2.0 Service Provider so that users can authenticate through an external identity provider. The module does not sufficiently prevent reuse of previously accepted SAML assertions. Under certain circumstances, a valid assertion may be...

CVE-2026-12704

When SAML IdP-initiated login is enabled in Grafana Enterprise, the SAML library skips validation of the InResponseTo field on all SAML responses, including SP-initiated logins. This removes anti-replay protection, allowing an attacker who obtains a valid signed SAML assertion to replay it and ga...

PT-2026-75918

Impact The validity store treats a transaction with stored block number = X as "in window" only when X last bn - transaction validity window blocks strict inequality. However the protocol's Transaction::is valid at accepts a transaction for inclusion in any block in validity start height - blocks...