Daily Brief

NetScaler zero-days were exploited before the patch — upgrade every ADC and Gateway today

NetScaler zero-days were exploited before the patch — upgrade every ADC and Gateway today

Citrix confirmed two NetScaler RCEs were exploited before Saturday’s fix. One hits every appliance in the default config....

SharePoint’s federal clock runs out today — confirm the August builds

SharePoint’s federal clock runs out today — confirm the August builds

CISA’s SharePoint KEV is due Monday September 28. Microsoft already confirmed observed attacks — verify the farm builds....

Zimbra OnlyOffice can turn a public Briefcase link into a shell

Zimbra OnlyOffice can turn a public Briefcase link into a shell

Unauthenticated RCE when OnlyOffice meets a public Briefcase document. Patch to 10.1.21 or turn the feature off....

WSO2’s JWT bypass missed Sunday’s deadline — apply the gateway update today

WSO2’s JWT bypass missed Sunday’s deadline — apply the gateway update today

An unsupported JWT algorithm can become an admin session on WSO2 API Manager and Universal Gateway. KEV due was September…

Monday’s brief: NetScaler zero-days, then SharePoint’s deadline, Zimbra OnlyOffice, and a WSO2 JWT bypass

Monday’s brief: NetScaler zero-days, then SharePoint’s deadline, Zimbra OnlyOffice, and a WSO2 JWT bypass

Exploited NetScaler RCEs after Saturday’s patch, SharePoint KEV due today, Zimbra OnlyOffice public-share RCE, and WSO2 JWT auth bypass....

One cPanel account can own the whole server: patch today

One cPanel account can own the whole server: patch today

A cPanel CalDAV/CardDAV flaw lets any hosting account run code as root. Update to 11.134.0.57, 11.136.0.41 or 11.138.0.8, plus WP Toolkit 6.11.3, today.

Your GitLab issue-email address can push code — rotate it today

Your GitLab issue-email address can push code — rotate it today

GitLab's issue-by-email address carries an account-wide token that can push code and run CI jobs past IP allowlists. How to rotate it and check for misuse.

Friday’s brief: TeamCity ransomware, then Roundcube, cPanel, GitLab

Friday’s brief: TeamCity ransomware, then Roundcube, cPanel, GitLab

Friday's 5-minute cyber brief: ransomware on TeamCity build servers, exploited Roundcube webmail, cPanel root for any account, and a risky GitLab email token.

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.

Old Roundcube webmail bug now exploited: update this week

Old Roundcube webmail bug now exploited: update this week

A pre-auth SQL injection in Roundcube's virtuser_query plugin is now exploited. Update to 1.6.16 or 1.7.1 or disable the plugin. Here's what to check today.

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....

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....

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....