nimiq-blockchain: Validity store off by one error

Impact The validity store treats a transaction with stored blocknumber = X as "in window" only when X lastbn - transactionvaliditywindowblocks strict inequality. However the protocol's Transaction::isvalidat accepts a transaction for inclusion in any block in validitystartheight - blocksperbatch,...

GHSA-3763-QP59-59VF nimiq-blockchain: Validity store off by one error

Impact The validity store treats a transaction with stored blocknumber = X as "in window" only when X lastbn - transactionvaliditywindowblocks strict inequality. However the protocol's Transaction::isvalidat accepts a transaction for inclusion in any block in validitystartheight - blocksperbatch,...

EUVD-2026-57226

Vulnerability-Lookup contains an authentication weakness in its account activation and password-recovery mechanism. Activation and recovery links were generated using stateless signed tokens containing only the user's login. Although the token signature and age were validated, the application did...

CVE-2026-73431

CVE-2026-73431 affects Vulnerability-Lookup's account activation and password-recovery flows. The system issued stateless signed tokens containing only the user login; while signatures and token age are checked, there was no check that a token had already been used. As a result, a valid activatio...

CVE-2026-73431 Reusable Account Activation and Recovery Tokens Allow Repeated Account Takeover in vulnerability-lookup

Vulnerability-Lookup contains an authentication weakness in its account activation and password-recovery mechanism. Activation and recovery links were generated using stateless signed tokens containing only the user's login. Although the token signature and age were validated, the application did...

CVE-2026-73431 Reusable Account Activation and Recovery Tokens Allow Repeated Account Takeover in vulnerability-lookup

Vulnerability-Lookup contains an authentication weakness in its account activation and password-recovery mechanism. Activation and recovery links were generated using stateless signed tokens containing only the user's login. Although the token signature and age were validated, the application did...

CVE-2026-73431 Reusable Account Activation and Recovery Tokens Allow Repeated Account Takeover in vulnerability-lookup

Vulnerability-Lookup contains an authentication weakness in its account activation and password-recovery mechanism. Activation and recovery links were generated using stateless signed tokens containing only the user's login. Although the token signature and age were validated, the application did...

OpenAI, Anthropic, Google API Flaw Let Weaker AI Models Decode Stronger Models' Reasoning

A newly disclosed flaw in the way OpenAI, Anthropic, and Google carried hidden AI reasoning between API calls let researchers recover internal reasoning and secrets from session logs, including API keys and passwords. The weakness affected encrypted reasoning objects used by the providers'...

CVE-2026-16051

The wpmudev-updates WordPress plugin before 5.0.1 does not verify the integrity of the packages installed through its remote management interface, nor protect those requests against replay, allowing an attacker able to obtain or replay a valid signed management request to install and execute...

CVE-2026-16051

The wpmudev-updates WordPress plugin (versions before 5.0.1 ) is vulnerable to Remote Code Execution (RCE) because it fails to verify the integrity of packages installed via its remote management interface and lacks protection against request replay. An attacker who obtains or replays a valid sig...

CVE-2026-16051 WPMU DEV Dashboard < 5.0.1 - Remote Code Execution via Hub Install Action

The wpmudev-updates WordPress plugin before 5.0.1 does not verify the integrity of the packages installed through its remote management interface, nor protect those requests against replay, allowing an attacker able to obtain or replay a valid signed management request to install and execute...

CVE-2026-16051 WPMU DEV Dashboard < 5.0.1 - Remote Code Execution via Hub Install Action

The wpmudev-updates WordPress plugin before 5.0.1 does not verify the integrity of the packages installed through its remote management interface, nor protect those requests against replay, allowing an attacker able to obtain or replay a valid signed management request to install and execute...

EUVD-2026-57085

The wpmudev-updates WordPress plugin before 5.0.1 does not verify the integrity of the packages installed through its remote management interface, nor protect those requests against replay, allowing an attacker able to obtain or replay a valid signed management request to install and execute...

CVE-2026-16051

The wpmudev-updates WordPress plugin before 5.0.1 does not verify the integrity of the packages installed through its remote management interface, nor protect those requests against replay, allowing an attacker able to obtain or replay a valid signed management request to install and execute...

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...

PT-2026-76559

Name of the Vulnerable Software and Affected Versions Nimiq versions prior to 1.5.1 Description The validity store uses a strict lower-bound comparison that expires stored transactions too early relative to the Transaction::is valid at function. This occurs because the store treats a transaction...

CVE-2026-16051: Improper Control of Generation of Code

The wpmudev-updates WordPress plugin before 5.0.1 does not verify the integrity of the packages installed through its remote management interface, nor protect those requests against replay, allowing an attacker able to obtain or replay a valid signed management request to install and execute...

CVE-2026-17268: Authentication Bypass by Capture-replay

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to bypass security restrictions due to improper validation of a session token...

PT-2026-71010

The wpmudev-updates WordPress plugin before 5.0.1 does not verify the integrity of the packages installed through its remote management interface, nor protect those requests against replay, allowing an attacker able to obtain or replay a valid signed management request to install and execute...

PT-2026-71094

Vulnerability-Lookup contains an authentication weakness in its account activation and password-recovery mechanism. Activation and recovery links were generated using stateless signed tokens containing only the user's login. Although the token signature and age were validated, the application did...