PT-2026-45843

Name of the Vulnerable Software and Affected Versions Medplum versions prior to 5.1.14 Description An issue in the subscription worker allows authenticated users to perform unauthorized internal network requests. By creating FHIR Subscription resources with arbitrary endpoint URLs, attackers can...

CVE-2026-27468 Mastodon may allow unconfirmed FASP to make subscriptions

Mastodon is a free, open-source social network server based on ActivityPub. FASP registration requires manual approval by an administrator. In versions 4.4.0 through 4.4.13 and 4.5.0 through 4.5.6, actions performed by a FASP to subscribe to account/content lifecycle events or to backfill content...

glib2: Signal subscription vulnerabilities

A flaw was found in GNOME GLib. When a GDBus-based client subscribes to signals from a trusted system service such as NetworkManager on a shared computer, other users of the same computer can send spoofed D-Bus signals that the GDBus-based client will wrongly interpret as having been sent by the...

CVE-2025-29756 MQTT implementation in Sungrow iSolarCloud allowed users to subscribe to all data of all connected inverters

SunGrow's back end users system iSolarCloud https://isolarcloud.com uses an MQTT service to transport data from the user's connected devices to the user's web browser. The MQTT server however did not have sufficient restrictions in place to limit the topics that a user could subscribe to. While...

CVE-2022-41964

BigBlueButton is an open source web conferencing system. This vulnerability only affects release candidates of BigBlueButton 2.4. The attacker can start a subscription for poll results before starting an anonymous poll, and use this subscription to see individual responses in the anonymous poll...