Daily Brief

Windows Update Stack CVE-2026-81963: The Link-Following Zero-Day That Finishes the Job

Windows Update Stack CVE-2026-81963: The Link-Following Zero-Day That Finishes the Job

September Patch Tuesday’s exploited Update Stack EoP turns a low-privilege foothold into SYSTEM—and it is already in KEV....

LiteLLM CVE-2026-59822: Failed Auth Fell Through to an Empty MCP Session

LiteLLM CVE-2026-59822: Failed Auth Fell Through to an Empty MCP Session

Before 1.84.0, LiteLLM’s MCP path could replace a failed Bearer check with an empty UserAPIKeyAuth()—and CISA put it in KEV....

Kestra CVE-2026-49869: The Suffix Match That Turned Workflows Into Root Shells

Kestra CVE-2026-49869: The Suffix Match That Turned Workflows Into Root Shells

CVE-2026-49869 (CVSS 10.0) lets unauthenticated attackers bypass Kestra Basic Auth with any path ending in /configs and run root workflows....

BlueMoon: Four Espionage Groups Share One Chrome-to-SYSTEM Exploit Kit

BlueMoon: Four Espionage Groups Share One Chrome-to-SYSTEM Exploit Kit

Proofpoint’s BlueMoon kit chains Chromium patch-gap RCE with a Windows ALPC LPE—and four espionage clusters adopted it in days....

The 5-Minute Cyber Brief: September 9, 2026

The 5-Minute Cyber Brief: September 9, 2026

SonicWall SMA1000 unauthenticated RCE, JFrog Artifactory phantom join-key admin tokens, and PaperCut’s second emergency patch—control-plane risk explained in about five…

The 5-Minute Cyber Brief: September 8, 2026

The 5-Minute Cyber Brief: September 8, 2026

Today’s stories share one pattern: commerce platforms that hold payment and customer data, MSP toolchains that administer many environments, and…

The 5-Minute Cyber Brief: September 4, 2026

The 5-Minute Cyber Brief: September 4, 2026

Cisco network gear, court-system exposure, poisoned Terraform modules, and malware riding a trusted runtime....

The 5-Minute Cyber Brief: September 3, 2026

The 5-Minute Cyber Brief: September 3, 2026

CISA adds ownCloud, Linux kernel and Artifactory flaws to KEV, new SonicWall SMA 1000 zero-days, Sangoma Switchvox exploited, All-in-One WP…

The 5-Minute Cyber Brief: September 1, 2026

The 5-Minute Cyber Brief: September 1, 2026

CISA adds two PaperCut flaws to KEV, Berlin confirms Rhysida data theft, Spring Ring Teams vishing, TerminalFix ClickFix campaign, and…

The 5-Minute Cyber Brief: August 28, 2026

The 5-Minute Cyber Brief: August 28, 2026

The August 28 Cyber Brief tracks urgent Citrix and SharePoint exploitation, a critical zero-click WordPress risk, resilient GoCaracal malware, and…

The 5-Minute Cyber Brief: August 26, 2026

The 5-Minute Cyber Brief: August 26, 2026

The cybersecurity developments that matter most today, explained in about five minutes....

The 5-Minute Cyber Brief: August 25, 2026

The 5-Minute Cyber Brief: August 25, 2026

Live Zimbra exploitation, WordPress SSO abuse, a Keycloak takeover bug, and a router flaw that punches through NAT....

The 5-Minute Cyber Brief: August 24, 2026

The 5-Minute Cyber Brief: August 24, 2026

The cybersecurity developments that matter most today, explained in about five minutes....