Improper Validation of Unsafe Equivalence in Input

Overview Affected versions of this package are vulnerable to Improper Validation of Unsafe Equivalence in Input via the TopicSelectorStore process. An attacker can access private updates intended for authorized subscribers or prevent delivery to legitimate recipients by poisoning the match result...

CVE-2026-39972

Mercure is a protocol for pushing data updates to web browsers and other HTTP clients in a battery-efficient way. Prior to 0.22.0, a cache key collision vulnerability in TopicSelectorStore allows an attacker to poison the match result cache, potentially causing private updates to be delivered to...

CVE-2026-39972 Mercure has a Topic Selector Cache Key Collision

Mercure is a protocol for pushing data updates to web browsers and other HTTP clients in a battery-efficient way. Prior to 0.22.0, a cache key collision vulnerability in TopicSelectorStore allows an attacker to poison the match result cache, potentially causing private updates to be delivered to...

CVE-2026-39972 Mercure has a Topic Selector Cache Key Collision

Mercure is a protocol for pushing data updates to web browsers and other HTTP clients in a battery-efficient way. Prior to 0.22.0, a cache key collision vulnerability in TopicSelectorStore allows an attacker to poison the match result cache, potentially causing private updates to be delivered to...

CVE-2026-39972

Mercure is a protocol for pushing data updates to web browsers and other HTTP clients in a battery-efficient way. Prior to 0.22.0, a cache key collision vulnerability in TopicSelectorStore allows an attacker to poison the match result cache, potentially causing private updates to be delivered to...

CVE-2026-39972

CVE-2026-39972 affects Mercure prior to 0.22.0. A cache key collision in TopicSelectorStore arises from concatenating topicSelector and topic with an underscore, which can produce identical keys for different pairs because both fields may contain underscores. An attacker who can subscribe or publ...

CVE-2026-39972

Mercure is a protocol for pushing data updates to web browsers and other HTTP clients in a battery-efficient way. Prior to 0.22.0, a cache key collision vulnerability in TopicSelectorStore allows an attacker to poison the match result cache, potentially causing private updates to be delivered to...

EUVD-2026-20967

Mercure is a protocol for pushing data updates to web browsers and other HTTP clients in a battery-efficient way. Prior to 0.22.0, a cache key collision vulnerability in TopicSelectorStore allows an attacker to poison the match result cache, potentially causing private updates to be delivered to...

ALPINE-CVE-2026-4878

A flaw was found in libcap. A local unprivileged user can exploit a Time-of-check-to-time-of-use TOCTOU race condition in the capsetfile function. This allows an attacker with write access to a parent directory to redirect file capability updates to an attacker-controlled file. By doing so,...

DEBIAN-CVE-2026-34179

In Canonical LXD versions 4.12 through 6.7, the doCertificateUpdate function in lxd/certificates.go does not validate the Type field when handling PUT/PATCH requests to /1.0/certificates/fingerprint for restricted TLS certificate users, allowing a remote authenticated attacker to escalate...

[SECURITY] Fedora 42 Update: bind-dyndb-ldap-11.11-10.fc42

This package provides an LDAP back-end plug-in for BIND. It features support for dynamic updates and internal caching, to lift the load off of your LDAP server...

mercure 安全漏洞

Mercure is a real-time data delivery protocol and server implementation developed by Kévin Dunglas as an individual project. Versions of Mercure prior to 0.22.0 contained security vulnerabilities. These vulnerabilities were caused by conflicts in cache keys within the TopicSelectorStore, which...

PT-2026-31821

Name of the Vulnerable Software and Affected Versions Smart Slider 3 Pro version 3.5.1.35 Description Smart Slider 3 Pro version 3.5.1.35 for WordPress and Joomla contains a multi-stage remote access toolkit injected through a compromised update system. This allows unauthenticated attackers to...

Fedora 45 : ImageMagick / LibRaw / OpenImageIO / OpenImageIO2.5 / etc (2026-ffba395f42)

The remote Fedora 45 host has packages installed that are affected by multiple vulnerabilities as referenced in the FEDORA-2026-ffba395f42 advisory. LibRaw 0.22.1 and rebuilds. Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Nessus has n...

Oracle Linux 10 : nodejs22 (ELSA-2026-7080)

The remote Oracle Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-7080 advisory. - introduced patch updating deps/nghttp2 to v 1.68.1 for CVE-2026-27135 - patch for npm/braces CVE-2026-25547 Tenable has extracted the preceding...

Ubuntu: Security Advisory (USN-8159-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Important Photon OS Security Update - PHSA-2026-4.0-0994

Updates of 'nginx', 'libpng' packages of Photon OS have been released...

GHSA-HWR4-MQ23-WCV5 mercure has Topic Selector Cache Key Collision

Impact A cache key collision vulnerability in TopicSelectorStore allows an attacker to poison the match result cache, potentially causing private updates to be delivered to unauthorized subscribers or blocking delivery to authorized ones. The cache key was constructed by concatenating the topic...

mercure has Topic Selector Cache Key Collision

Impact A cache key collision vulnerability in TopicSelectorStore allows an attacker to poison the match result cache, potentially causing private updates to be delivered to unauthorized subscribers or blocking delivery to authorized ones. The cache key was constructed by concatenating the topic...

CVE-2026-1672

The BEAR – Bulk Editor and Products Manager Professional for WooCommerce by Pluginus.Net plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.1.5. This is due to missing nonce validation on the wooberedrawtablerow function. This makes it possibl...