CVE-2026-55040

CVE-2026-55040 PoC Released for SharePoint Authentication Bypass CVE-2026-55040 SharePoint authentication bypass PoC forging a JWT token shown in a Rapid7 exploit terminal

CVE-2026-55040 PoC Released for SharePoint Authentication Bypass

Do Son August 12, 2026

TL;DR Rapid7 has published a technical analysis and a working proof-of-concept for CVE-2026-55040. The flaw is a...

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CVE-2026-72898CVSS 10.0
Metabase allows a remote, unauthenticated attacker to inject arbitrary SQL via the '/reset_password' database endpoint and gain administrator...
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A vulnerability in the Remote Access SSL VPN service for Cisco Secure Firewall Adaptive Security Appliance (ASA) Software...
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CVE-2026-68820CVSS 7.0
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
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CVE-2026-63077CVSS 9.8
In JetBrains TeamCity before 2026.1.3, 2025.11.7 unauthenticated remote code execution was possible via the agent polling protocol
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CVE-2026-34486CVSS 7.5
Missing Encryption of Sensitive Data vulnerability in Apache Tomcat due to the fix for CVE-2026-29146 allowing the bypass of...
CISA KEV📅 Added to KEV: Aug 4, 2026
CVE-2026-9198CVSS 9.8
IBM Langflow OSS 1.0.0 through 1.10.0 allows unauthenticated attackers to chain /api/v1/auto_login (mints SUPERUSER tokens to any network...
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CVE-2026-18556
Authentication bypass using an alternate path or channel vulnerability in N-able N-central allows Authentication Bypass. This issue affects...
CISA KEV📅 Added to KEV: Aug 4, 2026
CVE-2026-18577
An incomplete patch for CVE-2026-18556 allows for authentication bypass and account takeover in N-central Versions through 2026.3.1
Admin intelCISA KEV📅 Added to KEV: Aug 3, 2026📅 Updated: Aug 3, 2026

Critical Alert 3 Active Exploits Detected Today

CVE-2026-55040 PoC Released for SharePoint Authentication Bypass