WAF Bypass Archives • Daily CyberSecurity

ModSecurity Vulnerability Details and PoC Published for WAF Bypass and XML Memory Flaw

ModSecurity vulnerabilities CVE-2026-104269 and CVE-2026-73857 with proof-of-concept WAF bypass details

ModSecurity Vulnerability Details and PoC Published for WAF Bypass and XML Memory Flaw

Do Son November 9, 2026

ModSecurity vulnerabilities CVE-2026-104269 and CVE-2026-73857 now have public details and a proof-of-concept. Upgrade to libmodsecurity 3.0.17.

ShinyHunters Renews Oracle PeopleSoft Attacks With One-Character WAF Bypass North Korean hackers behind open-source supply chain attacks on axios, debug, and chalk NPM packages

North Korean hackers behind open-source supply chain attacks on axios, debug, and chalk NPM packages

ShinyHunters Renews Oracle PeopleSoft Attacks With One-Character WAF Bypass

Do Son September 29, 2026

ShinyHunters PeopleSoft attacks are back. A one-letter WAF bypass lets the group exploit CVE-2026-35273 and plant web shells on unpatched servers.

ModSecurity Vulnerabilities Let Attackers Bypass WAF Rules ModSecurity vulnerabilities enabling WAF bypass via multipart parser and utf8toUnicode flaws (CVE-2026-52747, CVE-2026-52761)

ModSecurity vulnerabilities enabling WAF bypass via multipart parser and utf8toUnicode flaws (CVE-2026-52747, CVE-2026-52761)

ModSecurity Vulnerabilities Let Attackers Bypass WAF Rules

Do Son July 6, 2026

Two ModSecurity vulnerabilities let attackers slip past WAF rules via a multipart parser bug (CVE-2026-52747). Update to ModSecurity v3.0.16 now.

Crashing the Shield: The One-Line Script Taking Down ModSecurity v3 WAFs libmodsecurity3 Denial of Service WAF Security Vulnerability CVE-2025-27110 ModSecurity vulnerability, JSON DoS

libmodsecurity3 Denial of Service WAF Security Vulnerability CVE-2025-27110 ModSecurity vulnerability, JSON DoS

Crashing the Shield: The One-Line Script Taking Down ModSecurity v3 WAFs

Do Son May 1, 2026

libmodsecurity3 faces critical 8.2 & 7.5 CVSS flaws. A simple one-line script can crash WAF worker processes. Protect your server by upgrading to v3.0.15 now.

MOVEit WAF Critical Alert: Multi-Level RCE and WAF Bypass Vulnerabilities Disclosed CVE-2024-4358 MOVEit WAF RCE Progress ADC Vulnerabilities

MOVEit WAF Critical Alert: Multi-Level RCE and WAF Bypass Vulnerabilities Disclosed

Do Son April 21, 2026

Progress Software warns of 5 critical MOVEit WAF & ADC flaws. RCE and WAF bypass risks allow total system hijack. Upgrade to v7.2.63.0 now to stay secure.

Progress Kemp LoadMaster Alert: Multiple RCE and WAF Bypass Flaws Patched Kemp LoadMaster flaws command injection remote execution Kemp LoadMaster Vulnerability WAF Bypass Technique Progress WhatsUp Gold Vulnerabilities

Kemp LoadMaster flaws command injection remote execution Kemp LoadMaster Vulnerability WAF Bypass Technique Progress WhatsUp Gold Vulnerabilities

Progress Kemp LoadMaster Alert: Multiple RCE and WAF Bypass Flaws Patched

Do Son April 21, 2026

Progress Kemp LoadMaster reveals 5 high-severity vulnerabilities, including a WAF bypass and OS command injection. Secure your ADC with the April 2026 patch.

WAFs Wide Open: Critical OWASP CRS Flaw Bypasses Filters Radware WAF, WAF bypass OWASP CRS Vulnerability CVE-2026-21876

WAFs Wide Open: Critical OWASP CRS Flaw Bypasses Filters

Do Son January 12, 2026

Critical OWASP CRS flaw CVE-2026-21876 (CVSS 9.3) allows XSS bypass via UTF-7 encoding. ModSecurity & Coraza users: update to v4.22.0 immediately.

CVE-2025-31137: React Router Vulnerability Exposes Web Apps to Cache Poisoning and WAF Bypass Attacks

Do Son April 3, 2025

Explore CVE-2025-31137, a React Router vulnerability that can exploit URL manipulations through specific headers.

Researcher Releases Techniques & Burp Extension to Help Bypass WAFs

Do Son May 27, 2024

In the cybersecurity field, web application firewalls (WAFs) are pivotal in defending web applications from malicious attacks....