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
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Supply Chain Security, in plain English.
Deep dives, practical guides, and incident analyses from engineers who build Safeguard. No fluff, no vendor FUD — just what you need to ship secure software.
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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
Vulnerability Analysis
Heartbleed OpenSSL vulnerability retrospective
A decade later, Heartbleed (CVE-2014-0160) still explains why software supply chain visibility matters: severity, timeline, and remediation steps revisited.
May 4, 20267 min read
Vulnerability Analysis
Shellshock Bash vulnerability retrospective
A decade-plus retrospective on Shellshock (CVE-2014-6271): how a Bash parsing flaw led to critical, KEV-listed remote code execution.
May 4, 20267 min read
Vulnerability Analysis
Apache Struts remote code execution CVE history
A decade of Apache Struts RCEs — from Equifax's CVE-2017-5638 to 2024's file-upload bypass — traced through CVSS, EPSS, KEV, and fixes.
May 4, 20267 min read
Vulnerability Analysis
Zip Slip: archive extraction path traversal explained
Zip Slip lets malicious archives write files outside their extraction folder via ../ paths — how it works, real CVEs, and how to detect and fix it.
May 3, 20267 min read
Vulnerability Analysis
jQuery prototype pollution vulnerability re-emerges
jQuery's prototype pollution flaw (CVE-2019-11358) keeps surfacing in 2026 dependency scans. Here's why it persists and how to remediate it.
May 2, 20268 min read
Vulnerability Analysis
Lodash prototype pollution vulnerabilities explained
A breakdown of lodash's prototype pollution CVEs (CVE-2018-3721, CVE-2019-10744, CVE-2020-8203), their impact, and concrete remediation steps.
May 2, 20267 min read
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