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.
CVE-2022-0235: node-fetch forwarded cookie and authorization headers across cross-origin redirects. Affected versions, exploitability context, and remediation steps.
CVE-2022-0155: follow-redirects leaked Proxy-Authorization headers across hosts on redirect, exposing proxy credentials via axios and other widely used npm HTTP clients.
CVE-2022-0536 let follow-redirects forward Authorization headers to third-party hosts on cross-domain redirects, exposing tokens and credentials.
CVE-2023-26159 shows how flawed URL parsing in follow-redirects let attackers trigger SSRF and leak Authorization headers across unintended hosts.
CVE-2024-37890 lets attackers crash Node.js servers running vulnerable ws WebSocket versions with a single crafted request. Here's what's affected and how to fix it.
CVE-2022-25883 is a ReDoS flaw in the widely used semver npm package. Here's what versions are affected, its severity, and how to remediate it.
CVE-2021-3803 is a ReDoS flaw in nth-check's CSS selector regex, reachable via css-select, svgo, and countless React build toolchains relying on them.
A ReDoS flaw in the widely-depended-on ansi-regex npm package could hang Node.js processes on crafted input. Here's what's affected and how to fix it.
CVE-2022-24999 exposes a prototype pollution and denial-of-service flaw in the qs querystring library used across the Node.js ecosystem.
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