CVE-2026-58593

NodeBB does not bind the claimed author of an inbound ActivityPub object to the authenticated remote actor. The inbound middleware verifies the HTTP-signature actor and checks the origin of object.id, but never validates that attributedTo corresponds to the sender. In the object mock, attributedT...

CVE-2026-58593 NodeBB - ActivityPub Author Spoofing via Unvalidated attributedTo Mapped to Local User

NodeBB does not bind the claimed author of an inbound ActivityPub object to the authenticated remote actor. The inbound middleware verifies the HTTP-signature actor and checks the origin of object.id, but never validates that attributedTo corresponds to the sender. In the object mock, attributedT...

PT-2026-54922

Name of the Vulnerable Software and Affected Versions NodeBB affected versions not specified Description NodeBB fails to bind the claimed author of an inbound ActivityPub object to the authenticated remote actor. While the inbound middleware verifies the HTTP-signature actor and the origin of the...

CVE-2026-42547 IRIS Alerts Can be Falsely Attributed to Customers

IRIS is a web collaborative platform that helps incident responders share technical details during investigations. In versions prior to 2.4.28, users can create alerts for customers that are not assigned to them. This can be abused to falsely attribute fake alerts to customers. In combination wit...

RTM Locker: Emerging Cybercrime Group Targeting Businesses with Ransomware

Cybersecurity researchers have detailed the tactics of a "rising" cybercriminal gang called "Read The Manual" RTM Locker that functions as a private ransomware-as-a-service RaaS provider and carries out opportunistic attacks to generate illicit profit. "The 'Read The Manual' Locker gang uses...

CVE-2022-20193

In getUniqueUsagesWithLabels of PermissionUsageHelper.java, there is a possible incorrect permission attribution due to a logic error in the code. This could lead to local escalation of privilege by conflating apps with User execution privileges needed. User interaction is needed for...

What’s New in InsightIDR: Q1 2021 in Review

Back at the start of the year, we reflected on some of our 2020 InsightIDR product investments and took a look at what was ahead in 2021 see the blog here. As the first quarter of the year comes to a close, we wanted to offer a closer look at some of the recent updates and releases in InsightIDR,...