CVE Vulnerability Advisory Database

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CVE-2026-543010.0/CRITICALEPSS 22.4%CISA KEV
2026-08-06

WSO2 JWT Authentication Bypass and Account Takeover (CVE-2026-5430)

[Affected Scope] WSO2 Identity Server, API Manager, and products utilizing WSO2 JWT authentication modules.

[Impact] Attackers can bypass authentication using crafted JWTs, leading to full administrative account takeover.

[Mitigation] Apply official vendor patches immediately and enforce strict JWT algorithm validation policies.

CVE-2026-4855810.0/CRITICALEPSS 80.8%CISA KEV
2026-06-12

SimpleHelp Authentication Bypass via Missing OIDC Signature Verification (CVE-2026-48558)

[Affected Scope] SimpleHelp versions 5.5.15 and prior, and 6.0 pre-release versions with OIDC authentication configured

[Impact] Unauthenticated remote attackers can forge identity tokens to bypass authentication, gain full technician sessions, and potentially bypass multi-factor authentication (MFA)

[Mitigation] Immediately upgrade SimpleHelp to the patched version or disable OIDC authentication until the patch is applied

CVE-2025-597189.8/CRITICALEPSS 68.3%CISA KEV
2025-12-09

Fortinet FortiOS, FortiProxy, and FortiSwitchManager Authentication Bypass via Improper Verification of SAML Cryptographic Signature (CVE-2025-59718)

[Affected Scope] FortiOS 7.0.0-7.0.17 / 7.2.0-7.2.11 / 7.4.0-7.4.8 / 7.6.0-7.6.3, FortiProxy 7.0.0-7.0.21 / 7.2.0-7.2.14 / 7.4.0-7.4.10 / 7.6.0-7.6.3, FortiSwitchManager 7.0.0-7.0.5 / 7.2.0-7.2.6.

[Impact] An unauthenticated remote attacker can bypass FortiCloud SSO authentication via a crafted SAML response message, gaining full administrative access to the affected device.

[Mitigation] Immediately upgrade to the patched firmware versions, or disable FortiCloud SSO login and restrict administrative access to trusted IP addresses as a temporary workaround.

CVE-2025-478274.6/MEDIUMEPSS 5.1%CISA KEV
2025-06-05

IGEL OS Secure Boot Bypass and Arbitrary SquashFS Mount Vulnerability (CVE-2025-47827)

[Affected Scope] IGEL OS systems prior to version 11

[Impact] Attackers can bypass cryptographic signature verification to mount a crafted root filesystem from an unverified SquashFS image, leading to complete system compromise

[Mitigation] Immediately upgrade IGEL OS to version 11 or later and restrict physical access to boot interfaces

CVE-2020-14647.8/HIGHEPSS 39.0%CISA KEV
2020-08-17

Windows Authenticode Digital Signature Bypass and Spoofing Vulnerability (CVE-2020-1464) Analysis & Mitigation Guide

[Affected Scope] All major supported Windows operating systems, including Windows 7, 8.1, 10, and Windows Server 2008, 2012, 2016, 2019, 2020

[Impact] Attackers can bypass security controls (such as EDRs, antivirus, and AppLocker) by appending malicious payloads to legitimately signed files, making them appear valid

[Mitigation] Apply the official Microsoft cumulative security updates (KB) immediately and audit systems for anomalous signed files

CVE-2020-202110.0/CRITICALEPSS 4.4%CISA KEV
2020-06-29

Palo Alto Networks PAN-OS SAML Signature Verification Bypass Vulnerability (CVE-2020-2021)

[Affected Scope] PAN-OS 8.1, 9.0, and 9.1 versions, Panorama, and GlobalProtect gateways with SAML authentication enabled and 'Validate Identity Provider Certificate' disabled

[Impact] Unauthenticated remote attackers can bypass SAML signature verification to gain administrative access to PAN-OS/Panorama web interfaces or access protected network resources

[Mitigation] Upgrade PAN-OS to patched versions (9.1.3, 9.0.9, 8.1.15 or later) or enable the 'Validate Identity Provider Certificate' option in the SAML Identity Provider Server Profile

CVE-2013-39005.5/MEDIUMEPSS 44.6%CISA KEV
2013-12-11

Microsoft Windows WinVerifyTrust Authenticode Signature Bypass and Remote Code Execution Vulnerability (CVE-2013-3900)

[Affected Scope] All currently supported versions of Microsoft Windows, including Windows 10, Windows 11, and Windows Server

[Impact] Attackers can inject malicious code into the unverified padding areas of signed PE files without invalidating the digital signature, bypassing security controls to execute arbitrary code

[Mitigation] Enable the 'EnableCertPaddingCheck' registry setting to enforce strict Authenticode signature verification across all endpoints

CVE Vulnerability Advisory Database (CVSS ยท CISA KEV ยท EPSS) | CVE Pulse