Daily Brief

Ransomware crews now target TeamCity: patch your build server

Ransomware crews now target TeamCity: patch your build server

CISA says ransomware crews now exploit TeamCity CVE-2026-63077. Upgrade to 2025.11.7 or 2026.1.3, take the server off the Internet, and check for compromise.
Thursday’s brief: WordPress under fire, then Tomcat, Palo Alto, SAP

Thursday’s brief: WordPress under fire, then Tomcat, Palo Alto, SAP

WordPress under active exploitation, Tomcat WebSocket bypass, Palo Alto HIGHEST urgency, SAP OVERPASS with public PoCs....
SAP’s CVSS 10 kernel bug now has public PoCs — patch Internet-facing first

SAP’s CVSS 10 kernel bug now has public PoCs — patch Internet-facing first

Shared kernel, pre-auth, PoCs out. Role checks won’t save you....
Palo Alto says HIGHEST urgency — root risk on PA-Series firewalls

Palo Alto says HIGHEST urgency — root risk on PA-Series firewalls

No known exploit yet — that’s the window, not a reason to wait....
Tomcat WebSocket lock can be walked around — check yours this week

Tomcat WebSocket lock can be walked around — check yours this week

If auth sits in a Tomcat security constraint, an alternate endpoint name can skip it....
WordPress under active attack — patch Core before Friday

WordPress under active attack — patch Core before Friday

Attackers went from probing to writing PHP in under a day. Verify you’re on a fixed release....
The 5-Minute Cyber Brief: September 23, 2026

The 5-Minute Cyber Brief: September 23, 2026

Check Point VPN+mgmt KEV due Friday, F5 APM OAuth RCE, Arista VeloCloud CVSS 10, Chromium V8 due today....
Chromium V8 CVE-2026-87491: Out-of-Bounds Write Exploited — KEV Due Today (September 23)

Chromium V8 CVE-2026-87491: Out-of-Bounds Write Exploited — KEV Due Today (September 23)

In-the-wild V8 write; Chrome 153.0.8010.36/.37 fixes it. Federal KEV due is today — verify Edge and other Chromium browsers too....
Arista VeloCloud CVE-2026-93952: On-Prem Orchestrator CVSS 10 — KEV Due September 25

Arista VeloCloud CVE-2026-93952: On-Prem Orchestrator CVSS 10 — KEV Due September 25

Actively exploited CVSS 10 on on-prem VCO. Hosted patched; on-prem needs fixed builds and an IoC hunt....
F5 BIG-IP APM CVE-2026-94127: Unauth Heap Overflow RCE on APM+OAuth VIPs — KEV Due September 25

F5 BIG-IP APM CVE-2026-94127: Unauth Heap Overflow RCE on APM+OAuth VIPs — KEV Due September 25

Unauth data-plane RCE when a VIP has both APM and an OAuth profile. Hotfixes and interim iRule out; federal due…
Check Point CVE-2026-85102 / 93616: VPN Gateway RCE + Management Zero-Day — KEV Due September 25

Check Point CVE-2026-85102 / 93616: VPN Gateway RCE + Management Zero-Day — KEV Due September 25

CISA added two Check Point CVSS 9.8s to KEV yesterday. Federal due September 25 — patch gateways and management Jumbo…
The 5-Minute Cyber Brief: September 22, 2026

The 5-Minute Cyber Brief: September 22, 2026

Zyxel GS1900 KEV due Thursday, Ivanti Neurons unauth RCE, Linux LPE quartet, Windows Update Stack due today....
Windows Update Stack CVE-2026-81963: Federal KEV Due Today (September 22)

Windows Update Stack CVE-2026-81963: Federal KEV Due Today (September 22)

Link-following Update Stack EoP to SYSTEM — federal due today. Verify September cumulatives actually landed....