Klever-Go KVM: Hash-array amplification in P2P resolver request handling

Summary A connected peer can send a compressed RequestDataTypeHashArrayType direct request that is only 442 bytes on the wire but expands into 200000 decoded hash entries inside the resolver path. On klever-go v1.7.17, this allows remote memory and CPU amplification against nodes that accept P2P...

CVE-2026-31536

In the Linux kernel, the following vulnerability has been resolved: smb: server: let senddone handle a completion without IBSENDSIGNALED With smbdirectsendbatch processing we likely have requests without IBSENDSIGNALED, which will be destroyed in the final request that has IBSENDSIGNALED set. If...

PT-2026-34960

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A double-free issue exists in the SMB server component. The function smb direct flush send list already invokes smb direct free sendmsg, leading to a second call to smb direct free sendm...

[Podcast] It's not you, it's your printer: State-sponsored and phishing threats in 2025

!\Podcast\ It's not you, it's your printer: State-sponsored and phishing threats in 2025https://storage.ghost.io/c/af/a0/afa04ee3-414f-4481-8d23-7e7c146f192e/content/images/2026/04/YiR2025cover2x1-2-1.jpg In this episode, we unpack state-sponsored and phishing trends from the 2025 Talos Year in...

Reducing abuse of Microsoft 365 Exchange Online’s Direct Send

Overview Microsoft 365 Exchange Online's Direct Send is designed to solve an enterprise-scale operational challenge: certain devices and legacy applications such as multifunction printers, scanners, building systems, and older line‑of‑business apps, need to send email into the tenant but lack the...

Microsoft 365 Direct Send Abuse

The Rapid7 MDR team has observed a significant rise in the number of threat actors leveraging a lesser-known feature within Microsoft 365 called Direct Send. Rapid7 encourages organizations to immediately review their authenticated mail flow configurations, specifically related to Microsoft 365...

Axios Abuse and Salty 2FA Kits Fuel Advanced Microsoft 365 Phishing Attacks

Threat actors are abusing HTTP client tools like Axios in conjunction with Microsoft's Direct Send feature to form a "highly efficient attack pipeline" in recent phishing campaigns, according to new findings from ReliaQuest. "Axios user agent activity surged 241% from June to August 2025, dwarfin...

Hackers Abuse Microsoft 365 Direct Send to Deliver Internal Phishing Emails

A new Proofpoint report reveals how attackers are using Microsoft 365's Direct Send and unsecured SMTP relays to…...