Why "Shady AI" is Security's Next Big Governance Problem

In March 2026, an internal AI agent at Meta triggered a “Sev 1” incident after sensitive company and user data was exposed to employees who weren’t authorized to access it. The incident began when a Meta employee posted a technical question on an internal forum. An engineer used an approved AI...

crypto/x509: golang: Go crypto/x509: Certificate validation bypass due to incorrect DNS constraint application

A flaw was found in the crypto/x509 package within Go golang. When verifying a certificate chain, excluded DNS Domain Name System constraints are not correctly applied to wildcard DNS Subject Alternative Names SANs if the case of the SAN differs from the constraint. This oversight could allow an...

EulerOS Virtualization 2.10.0 : gnutls (EulerOS-SA-2026-2048)

According to the versions of the gnutls packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : A flaw was found in GnuTLS. This vulnerability allows a denial of service DoS by excessive CPU Central Processing Unit and memory...

CVE-2026-27145

x509.Certificate.VerifyHostname previously called matchHostnames in a loop over all DNS Subject Alternative Name SAN entries. This caused strings.Splithost, "." to execute repeatedly on the same input hostname. With a large DNS SAN list, verification costs scaled quadratically based on the number...

CVE-2026-42012 Gnutls: gnutls: certificate validation bypass due to improper handling of uri and srv sans

A flaw was found in gnutls. A remote attacker could exploit this vulnerability by presenting a specially crafted certificate that contains Uniform Resource Identifier URI or Service SRV Subject Alternative Names SANs. This could cause the certificate validation process to incorrectly fall back to...

crypto/x509: golang: Go crypto/x509: Certificate validation bypass due to incorrect DNS constraint application

A flaw was found in the crypto/x509 package within Go golang. When verifying a certificate chain, excluded DNS Domain Name System constraints are not correctly applied to wildcard DNS Subject Alternative Names SANs if the case of the SAN differs from the constraint. This oversight could allow an...

Malicious code in @shadanai/openclaw (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector c0e2f02ab1bb3d99de1787ed7d69f1df97bd3b2d7c18cc8ba4e5f8688f649ce9 On npm install, scripts/postinstall.mjs performs several installer-harm actions. 1 Backdoor: writes /.openclaw/openclaw.json configuring a local...

crypto/x509: golang: Go crypto/x509: Certificate validation bypass due to incorrect DNS constraint application

A flaw was found in the crypto/x509 package within Go golang. When verifying a certificate chain, excluded DNS Domain Name System constraints are not correctly applied to wildcard DNS Subject Alternative Names SANs if the case of the SAN differs from the constraint. This oversight could allow an...

exchangerates (>=0.3.0, <=0.3.1), lolcomicgrabber (>=0.0.1, <=0.0.3) +4 more potentially affected by CVE-2026-41066 via lxml (4.4.0)

lxml PYPI version 4.4.0 is affected by a known vulnerability. The following packages have a transitive dependency on lxml and may be impacted: - exchangerates =0.3.0, =0.0.1, =0.0.1b1, =0.1.0, =0.2.1 Source cves: CVE-2026-41066 Source advisory: OSV:PYSEC-2026-87...

Upcoming Speaking Engagements

This is a current list of where and when I am scheduled to speak: I’m speaking at DemocracyXChange 2026 in Toronto, Ontario, Canada, on April 18, 2026. I’m speaking at the SANS AI Cybersecurity Summit 2026 in Arlington, Virginia, USA, at 9:40 AM ET on April 20, 2026. I'm speaking at the Greater...

CVE-2026-33810

When verifying a certificate chain containing excluded DNS constraints, these constraints are not correctly applied to wildcard DNS SANs which use a different case than the constraint. This only affects validation of otherwise trusted certificate chains, issued by a root CA in the...

CVE-2026-33810: Improper Certificate Validation

When verifying a certificate chain containing excluded DNS constraints, these constraints are not correctly applied to wildcard DNS SANs which use a different case than the constraint. This only affects validation of otherwise trusted certificate chains, issued by a root CA in the...

CLEANSTART-2026-IM73098 excluded subdomain constraint in a certificate chain does not restrict the usage of wildcard SANs in the leaf certificate

Multiple security vulnerabilities affect the istio-pilot-discovery package. An excluded subdomain constraint in a certificate chain does not restrict the usage of wildcard SANs in the leaf certificate. See references for individual vulnerability details...

CLEANSTART-2026-TF52804 excluded subdomain constraint in a certificate chain does not restrict the usage of wildcard SANs in the leaf certificate

Multiple security vulnerabilities affect the istio-pilot-discovery-fips package. An excluded subdomain constraint in a certificate chain does not restrict the usage of wildcard SANs in the leaf certificate. See references for individual vulnerability details...

PT-2026-21259

Name of the Vulnerable Software and Affected Versions consul-k8s-fips affected versions not specified Description The consul-k8s-fips package is affected by multiple security issues. The net/http package does not correctly handle line terminators in chunked data, potentially leading to issues...

Medium: cni-plugins

Issue Overview: crypto/x509: excluded subdomain constraint does not restrict wildcard SANs An excluded subdomain constraint in a certificate chain does not restrict the usage of wildcard SANs in the leaf certificate. For example a constraint that excludes the subdomain test.example.com does not...

Medium: runfinch-finch

Issue Overview: SSH Agent servers do not validate the size of messages when processing new identity requests, which may cause the program to panic if the message is malformed due to an out of bounds read. CVE-2025-47914 SSH servers parsing GSSAPI authentication requests do not validate the number...

Medium: nerdctl

Issue Overview: crypto/x509: excluded subdomain constraint does not restrict wildcard SANs An excluded subdomain constraint in a certificate chain does not restrict the usage of wildcard SANs in the leaf certificate. For example a constraint that excludes the subdomain test.example.com does not...

Medium: oci-add-hooks

Issue Overview: crypto/x509: excluded subdomain constraint does not restrict wildcard SANs An excluded subdomain constraint in a certificate chain does not restrict the usage of wildcard SANs in the leaf certificate. For example a constraint that excludes the subdomain test.example.com does not...

Amazon Linux 2 : runc, --advisory ALAS2DOCKER-2025-088 (ALASDOCKER-2025-088)

The version of runc installed on the remote host is prior to 1.3.4-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2DOCKER-2025-088 advisory. crypto/x509: excluded subdomain constraint does not restrict wildcard SANs An excluded subdomain constraint in a...