PT-2026-47562

Impact Federation peer registration accepted peer key material during registration without a separate administrator approval step based on an out-of-band fingerprint check. Impacted deployments are nodes that accept federation peer registration across a network where initial registration could be...

PT-2026-47573

Impact Stigmem nodes with federation enabled could be configured to run without mTLS outside loopback-only local development. In affected deployments, federation traffic may traverse the network without the intended transport protection. Impacted users are operators who enabled federation and...

PT-2026-47588

Impact A mismatch in federation peer-token timestamp handling could cause valid peer tokens to be treated as expired. Impacted deployments are Stigmem nodes using federation peer authentication paths from affected versions. The primary impact is availability and reliability of authenticated...

Astra Linux – Vulnerability in rabbitmq-server

RabbitMQ is a multi-protocol messaging broker. In rabbitmq-server prior to version 3.8.18, when a federation link was displayed in the RabbitMQ management UI through the rabbitmqfederationmanagement plugin, its consumer tag was rendered without proper tag sanitization. This potentially allows for...

org.apache.artemis:artemis-server: org.apache.activemq:artemis-server: Apache Artemis, Apache ActiveMQ Artemis: Message injection and exfiltration due to missing authentication

A flaw was found in Apache Artemis and Apache ActiveMQ Artemis. An unauthenticated remote attacker can exploit a missing authentication for critical function vulnerability by using the Core protocol. This allows the attacker to force a target broker to establish an outbound Core federation...

org.apache.artemis:artemis-server: org.apache.activemq:artemis-server: Apache Artemis, Apache ActiveMQ Artemis: Message injection and exfiltration due to missing authentication

A flaw was found in Apache Artemis and Apache ActiveMQ Artemis. An unauthenticated remote attacker can exploit a missing authentication for critical function vulnerability by using the Core protocol. This allows the attacker to force a target broker to establish an outbound Core federation...

org.apache.artemis:artemis-server: org.apache.activemq:artemis-server: Apache Artemis, Apache ActiveMQ Artemis: Message injection and exfiltration due to missing authentication

A flaw was found in Apache Artemis and Apache ActiveMQ Artemis. An unauthenticated remote attacker can exploit a missing authentication for critical function vulnerability by using the Core protocol. This allows the attacker to force a target broker to establish an outbound Core federation...

Siemens Opcenter RDnL

SUMMARY Opcenter RDnL is affected by missing authentication in critical function in ‘ActiveMQ Artemis’. An unauthenticated attacker within the adjacent network could use the Core protocol to force a target broker to establish an outbound Core federation connection to an attacker-controlled rogue...

Fedora 42 : prosody (2026-1efa008794)

The remote Fedora 42 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-1efa008794 advisory. Prosody 13.0.5 Upstream is pleased to announce a new minor release from their stable branch. This is a security release for the Prosody 13.0.x stabl...

Fedora 43 : prosody (2026-36c53b9ca8)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-36c53b9ca8 advisory. Prosody 13.0.5 Upstream is pleased to announce a new minor release from their stable branch. This is a security release for the Prosody 13.0.x stabl...

Improper Access Control

Apollo Federation is vulnerable to improper access control. The vulnerability is due to improper enforcement of user-defined access control directives on interface types and fields, which allows an attacker to bypass access restrictions by querying implementing object types and fields through...

Pelican Web UI Affected by a Privilege Escalation Attack

Background On April 2nd, 2026, a Claude coding agent alerted Pelican PI Brian Bockelman to a privilege escalation vulnerability affecting Pelican's Web User Interface WebUI for various versions between v7.21 and v7.24. Upon further investigation, the Pelican team discovered this attack allows any...

org.apache.polaris:polaris-admin (>=1.0.0-incubating <=1.4.0), org.apache.polaris:polaris-api-catalog-service (>=1.0.0-incubating <=1.4.0) +23 more potentially affected by CVE-2026-42811 via org.apache.polaris:polaris-core (>=1.0.0-incubating <=1.4.0)

org.apache.polaris:polaris-core MAVEN version =1.0.0-incubating, =1.0.0-incubating, =1.0.0-incubating, =1.0.0-incubating, =1.0.0-incubating, =1.0.0-incubating, =1.3.0-incubating, =1.3.0-incubating, =1.1.0-incubating, =1.1.0-incubating, =1.0.0-incubating, =1.0.0-incubating, =1.4.0 and more Source...

PT-2026-37203

Name of the Vulnerable Software and Affected Versions Pelican versions 7.21.0 through 7.21.4 Pelican versions 7.22.0 through 7.22.2 Pelican versions 7.23.0 through 7.23.2 Pelican versions 7.24.0 through 7.24.1 Description A privilege escalation issue exists in the Web User Interface WebUI that...

CyberAId: AI-Driven Cybersecurity for Financial Service Providers

European financial institutions face mounting regulatory pressure while their security operations centres remain constrained not by data or staffing but by reasoning capacity: enterprise SIEMs cover only a fraction of MITRE ATT&CK techniques, two thirds of SOC teams cannot keep pace with alert...

hunter-max-oss

hunter-max A bug-bounty research framework. Two pieces: 1...

Meta Is Sued Over Scam Ads on Facebook and Instagram

A lawsuit from the Consumer Federation of America accuses Meta of misleading consumers about its efforts to combat scams advertisements on its platforms...

📄 Activitypub-federation-rust 0.7.1 Server-Side Request Forgery

This is a server-side request forgery scanner for Activitypub-federation-rust version 0.7.1. ================================================================================================================================== | Title : Activitypub-federation-rust 0.7.1 Lemmy ActivityPub SSRF Scanne...

ANT-2026-6DSMTXZ8 · mastodon · SSRF

ssrf high GHSA-crr4-7rm4-8gpw Severity Claude high · Security research firm high · Maintainer unknown Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Doyensec. ANT-2026-6DSMTXZ8: SSRF Bypass via IPv6 Unspecified...

CVE-2026-33693 Lemmy's Activitypub-Federation has SSRF via 0.0.0.0 bypass in activitypub-federation-rust v4_is_invalid()

Lemmy is a link aggregator and forum for the fediverse. Prior to version 0.7.0-beta.9, the v4isinvalid function in activitypub-federation-rust src/utils.rs does not check for Ipv4Addr::UNSPECIFIED 0.0.0.0. An unauthenticated attacker controlling a remote domain can point it to 0.0.0.0, bypass the...