CVE-2026-19490 is a SAML authentication bypass on NetScaler, not the two RCE zero-days disclosed on 26 September. Here is how to tell them apart.
Vulnerabilities & Alerts
NetScaler CVE-2026-19490: three distinct CVEs
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Projects & Governance, Vulnerabilities & Alerts
VINCE-NT and the Nationalization of the Bug: When CISA Cuts the Academic Cord
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CISA officially migrated its Coordinated Vulnerability Disclosure (CVD) platform on September 17. Behind the acronym VINCE-NT (Vulnerability Information and Coordination Environment – New Technology), which replaces the venerable VINCE operated since 2020 by the CERT/CC, lies much more than a mere interface facelift or a welcome alignment with CSAF status frameworks. This is an act…
Vulnerabilities & Alerts
Linux kernel: three exploited CVEs enter the KEV catalogue
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Three Linux kernel CVEs enter CISA’s KEV catalogue with a three-day deadline and mandatory forensic triage. Fixes, scope and how to read the scores.
Vulnerabilities & Alerts, Compliance & Standards
VINCE-NT replaces VINCE: what the switch changes
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CISA switched its coordinated disclosure platform on 17 September. TLP marking, a 45-day clock, sanctions screening: the rules are written.
Compliance & Standards, Projects & Governance
The ANSSI investigation guidance, read with SIM3
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France’s ANSSI has published five incident investigation strategies. The SIM3 maturity model measures which ones a team can actually run.
CTI & OSINT, Vulnerabilities & Alerts
Oracle’s September 2026 CSPU: 673 security patches
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Oracle released 673 security patches on 15 September 2026, 247 of them for vulnerabilities that are remotely exploitable without authentication. Six carry the maximum score of 10.0, five of those in Fusion Middleware. TLP:CLEAR PAP:CLEAR Unlimited disclosure, no restriction on use. Published 16 September 2026 Subject Oracle, September 2026 CSPU Distribution Public Confidence…
Practical Cybersecurity, Projects & Governance
Three days to patch: what the data actually says about AI-accelerated exploitation
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CISA justifies its new directive and its three-day deadline by pointing to AI-accelerated exploitation. Tested against the two public datasets available, that justification holds on one indicator and gives way on the others.
CTI & OSINT, Practical Cybersecurity
Active Directory: the 2026 revision of the CISA guide
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Eighteen Active Directory compromise techniques, their Windows event identifiers, and the logging plan that has to come first.
Compliance & Standards, Projects & Governance
RFC 2350: describing your CSIRT in seven parts
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Published in 1998 and never replaced, RFC 2350 describes an incident response team in seven parts. What it demands, what has aged, how to write one.
Compliance & Standards, Projects & Governance
SIM3 v2 interim: 45 parameters to raise your maturity
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SIM3 v2 interim measures a team over 45 parameters and 5 levels. Free for internal use, tooled online, and soon extended to SOCs and PSIRTs
Vulnerabilities & Alerts
SQL injection exploited in Cisco Secure Email Gateway
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Cisco has published an unauthenticated SQL injection in Secure Email Gateway, already exploited. No workaround, and a second critical advisory the same day.
Vulnerabilities & Alerts
Six permission bypasses in Mistral Vibe
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HiddenLayer published six critical CVEs in Mistral’s coding agent. All target the same authorisation layer, and no fix has shipped.
CTI & OSINT
GreatXML: Technical and Defensive Analysis of a BitLocker Bypass via WinRE
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1. Executive summary GreatXML is a public proof-of-concept, released on 10 June 2026 by the researcher Nightmare Eclipse / Chaotic Eclipse / MSNightmare, claiming a BitLocker bypass. The technique abuses the Windows Recovery Environment (WinRE), the state left behind by Microsoft Defender’s Offline Scan feature, and the legitimate processing of unattended setup answer files (unattend.xml).…
