Security bulletins Warnings and recommendations from national cyber security agencies, newest first. Each brief is at most 120 words, bottom line first, and links to the publication it was written from.
All sources BSI (DE) warning CERT Polska warning CERT-EU advisory CERT-SE advisory CISA advisory CISA alert MAS (SG) guidelines NCSC (UK) guidance NCSC (UK) news NSM (NO) warning SAMSIK (DK) news CERT Polska · Warning · 27 Jul 2026
Vulnerabilities in proCertum SmartSign software Read the original at cert.pl ↗
CERT Polska · Warning · 27 Jul 2026
Vulnerability in DaveGamble cJSON library Read the original at cert.pl ↗
CERT Polska · Warning · 24 Jul 2026
Vulnerability in Apereo CAS Client software Read the original at cert.pl ↗
CERT Polska · Warning · 24 Jul 2026
Vulnerabilities in GNU coreutils software Read the original at cert.pl ↗
NCSC (UK) · News · 23 Jul 2026
UK and partners expose Russian state-supported actors for new ‘zero-click’ phishing campaign targeting Western organisations Read the original at www.ncsc.gov.uk ↗
CERT-EU · Advisory · 23 Jul 2026
2026-009: Critical Vulnerabilities in Microsoft SharePoint Read the original at cert.europa.eu ↗
CERT Polska · Warning · 22 Jul 2026
Vulnerability in GNU diffutils software Read the original at cert.pl ↗
CERT Polska · Warning · 22 Jul 2026
Vulnerability in Open Mercato software Read the original at cert.pl ↗
BSI (DE) · Warning · 22 Jul 2026
Version 1.2: SonicWall SMA1000 - Zero-Day Schwachstellen aktiv ausgenutzt Read the original at www.bsi.bund.de ↗ (in German)
CISA · Advisory · 21 Jul 2026
Russian State-Supported Cyber Actors Conduct Phishing Campaign Targeting Users of Zimbra Collaboration Suite Read the original at www.cisa.gov ↗
CERT Polska · Warning · 20 Jul 2026
Vulnerabilities in Windu CMS software Read the original at cert.pl ↗
BSI (DE) · Warning · 20 Jul 2026
Version 1.1: WordPress - Schwachstellen erlauben Remote Code Execution Read the original at www.bsi.bund.de ↗ (in German)
CERT Polska · Warning · 15 Jul 2026
Vulnerabilities in ICU Scandinavia Boomerang software Read the original at cert.pl ↗
NSM (NO) · Warning · 14 Jul 2026
Microsoft patchetirsdag juli 2026 Read the original at nsm.no ↗ (in Norwegian)
BSI (DE) · Warning · 14 Jul 2026
Version 1.0: Microsoft SharePoint - Zero-Day und kritische Schwachstellen geschlossen Read the original at www.bsi.bund.de ↗ (in German)
CERT Polska · Warning · 13 Jul 2026
Vulnerability in 4real ThemisNETPanel software Read the original at cert.pl ↗
NCSC (UK) · News · 13 Jul 2026
UK and Allies urge critical sectors to improve defences against Russian intelligence targeting Read the original at www.ncsc.gov.uk ↗
CERT Polska · Warning · 13 Jul 2026
Vulnerabilities in GNU gawk software Read the original at cert.pl ↗
CERT Polska · Warning · 10 Jul 2026
Vulnerability in BitWizard mtr software Read the original at cert.pl ↗
CERT Polska · Warning · 10 Jul 2026
Vulnerabilities in R-SOFT DMS software Read the original at cert.pl ↗