Security Bulletin
20 Jul 2026
Biztonsági szemle
F5 fixes critical nginx vulnerability CVE-2026-42533
The vulnerability, with a CVSS score of 9.2, allows an unauthenticated attacker to trigger a heap buffer overflow by sending specially crafted HTTP requests.
20 Jul 2026
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Remediating Vulnerabilities With LLMs: Inside Ivanti's Automation Push
Ivanti CSO Daniel Spicer says frontier models have shown surprising effectiveness in early stages; but cost and human-in-the-loop viability remain open questions.
20 Jul 2026
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Head of federal AI testing lab resigns after three months
The director of a key federal government AI testing lab, Chris Fall, is stepping down from his position just three months after taking the helm, according to a recent report by CyberScoop.
20 Jul 2026
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25 Years After Code Red: What the Worm Era Can Teach Us About AI Security
Marc Maiffret reflects on Code Red's legacy and the security lessons helping organizations navigate AI risk today.
20 Jul 2026
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CISOs Feel the Heat Over AI Risk
Job pressures have increased as companies run headlong into AI adoption, causing 26% of top security executives to consider leaving their position.
20 Jul 2026
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Attackers Combo Up Evasion Tactics for BEC Phishing
"The TFF Trap" uses fileless techniques and loaders with low detection rates to deploy various RATs and stealers, including Agent Tesla, Remcos, XWorm, and Best Private Logger.
20 Jul 2026
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SleeperGem attack targets Ruby ecosystem with malicious gems
The SleeperGem attack utilizes three malicious Ruby gems: git_credential_manager, Dendreo, and fastlane-plugin-run_tests_firebase_testlab.
20 Jul 2026
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Audit reveals gaps in FAA and TSA cybersecurity strategies
The GAO audit found that the FAA has only fully implemented three out of seven objectives for protecting agency networks, with critical areas like cyber monitoring, response, and the transition to zero-trust security remaining incomplete.
20 Jul 2026
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US federal workers mandated to use app with Russian-founded vendor's code
The application, costing $1.4 million, was mandated for use by the FAA and other federal employees.
20 Jul 2026
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HelloNet campaign abuses ViPNet update mechanism to target Russian organizations
The HelloNet campaign targets organizations using ViPNet, a Russian information-security product suite commonly used in government and regulated environments.
20 Jul 2026
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HollowByte vulnerability allows denial-of-service attacks on OpenSSL
The HollowByte vulnerability, detailed by Okta's Red Team, exploits a flaw in how OpenSSL handles TLS handshake messages.
20 Jul 2026
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Abbott Laboratories investigates 2 separate cyber incidents
The first incident was highlighted when the ShinyHunters extortion gang claimed to have accessed Abbott's internal legacy Exact Sciences systems in its Cancer Diagnostics business.
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