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Articles

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Vulnerability Analysis

Citrix NetScaler CVE-2026-3055: The SAML Memory-Overread CitrixBleed Echo of 2026

CVE-2026-3055 is an unauthenticated memory overread in NetScaler ADC/Gateway configured as a SAML IdP, CVSS 9.3, exploited since late March 2026 and drawing direct CitrixBleed comparisons. Full analysis.

May 6, 202611 min read
Vulnerability Analysis

Text4Shell RCE in Apache Commons Text CVE-2022-42889

CVE-2022-42889 (Text4Shell) is a 9.8-severity RCE in Apache Commons Text 1.5-1.9. Learn affected versions, timeline, and remediation steps.

May 6, 20267 min read
Vulnerability Analysis

Log4Shell remediation cheat sheet

A practical, no-fluff Log4Shell remediation cheat sheet: affected versions, CVSS/EPSS/KEV context, timeline, and the exact steps to close CVE-2021-44228.

May 6, 20267 min read
Vulnerability Analysis

HTTP/2 Rapid Reset zero-day vulnerability CVE-2023-44487

CVE-2023-44487 "HTTP/2 Rapid Reset" enabled record-breaking DDoS attacks via stream-reset abuse. Impact, affected stacks, and remediation steps.

May 6, 20267 min read
Vulnerability Analysis

Unsafe deserialization in SnakeYAML CVE-2022-1471

CVE-2022-1471 lets attackers achieve RCE via SnakeYAML's unsafe Constructor. Learn affected versions, CVSS/EPSS context, and remediation steps.

May 6, 20267 min read
Vulnerability Analysis

The XZ backdoor CVE-2024-3094 deep dive

A technical deep dive into CVE-2024-3094, the XZ Utils/liblzma SSH backdoor: affected versions, severity context, full timeline, and remediation steps.

May 5, 20268 min read
Vulnerability Analysis

regreSSHion OpenSSH RCE vulnerability CVE-2024-6387

CVE-2024-6387 "regreSSHion" is a signal handler race condition in OpenSSH's sshd enabling unauthenticated root RCE on glibc-based Linux systems.

May 5, 20268 min read
Vulnerability Analysis

Terrapin SSH protocol downgrade attack explained

Terrapin (CVE-2023-48795) lets an on-path attacker silently strip packets from SSH handshakes. Here's how the downgrade works and how to check exposure.

May 5, 20266 min read
Vulnerability Analysis

MCPwn (CVE-2026-33032): One Missing Auth Check Turned nginx-ui's MCP Endpoint Into Unauthenticated RCE

nginx-ui added MCP support and split it across two HTTP routes. One route shipped without the auth middleware. The result is a CVSS 9.8 unauthenticated takeover, actively exploited, fixed with 27 characters of code.

May 4, 20269 min read

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