Nearly two dozen issues, tracked collectively as CVE-2026-73749 (CVSS score of 9.8), were addressed with the updates.
The post HPE Patches Critical RCE Vulnerabilities in AOS-CX appeared first on SecurityWeek.
OpenAI Pledges $1 Billion to Bring Frontier AI to Critical Infrastructure Defenders
The Daybreak initiative will provide subsidized AI cyber capabilities, training and technical assistance, though OpenAI has disclosed few details about costs and eligibility.
The post OpenAI Pledges $1 Billion to Bring Frontier AI to Critical Infrastructure Defenders appeared first on SecurityWeek.
Phishing Campaign Sends Millions of Emails Using Invisible Unicode to Evade Filters
Microsoft is alerting of a “high-volume phishing campaign” that’s using invisible Unicode tag characters to bypass email filters.
“Instead of using these characters to hide instructions from people while exposing them to AI models, the attacker used them to split financial lure words such as ‘funding’ to prevent email filters from parsing them,” the Microsoft Security Research team said.
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Critical Citrix NetScaler auth bypass now leveraged in attacks
Attackers have begun targeting a critical-severity Citrix NetScaler auth bypass flaw (CVE-2026-19490) in the wild, according to vulnerability intelligence company Previdian. […]
PostgreSQL Fixes 12-Year-Old Logical Decoding Flaw Enabling Replication-Role Code Execution
PostgreSQL has released updates to address a security flaw that allows an account with the REPLICATION attribute to run arbitrary code as the operating-system user running the database server.
The flaw, tracked as CVE-2026-6471 (CVSS score: 7.2), has been present since logical decoding was introduced in PostgreSQL 9.4 in 2014. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are
New Ted Backdoor Hides Inside Victims’ Own HAProxy Builds to Intercept Web Traffic
A previously undocumented Linux toolkit has been found compiled directly into the trojanized HAProxy load balancers of two South Korean organizations, where it intercepted web traffic and served altered pages to selected visitors.
The attackers named the implant ted in debug strings left in the binary. It is not a HAProxy vulnerability, and installing it requires code execution on the host and
Microsoft says some users can’t open the Teams desktop client
Microsoft is working to resolve a known issue that causes delays or blocks some users from opening the Microsoft Teams desktop client on Windows systems. […]
39 New Methods That Compromise Passkey Authentication
Passkeys eliminate many password-based attacks, but researchers have documented 39 methods for compromising authentication built around them. Token explains how attackers can abuse authentication prompts, synced credentials, enrollment, recovery, and other trust boundaries without breaking FIDO2 cryptography. […]
Sangoma Switchvox Vulnerabilities Exploited in the Wild
Tracked as CVE-2026-9586, the unauthenticated SQL injection flaw can be exploited remotely for arbitrary code execution.
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New CrowdStrike ‘FalconFlank’ zero-day grants SYSTEM privileges
An anonymous security researcher who uses the “Nightmare Eclipse” handle released a CrowdStrike Falcon zero-day exploit named “FalconFlank” that lets attackers escalate privileges on up-to-date Windows systems. […]