Weakness (CWE)
CWE-1390: Weak Authentication
The product uses an authentication mechanism to restrict access to specific users or identities, but the mechanism does not sufficiently prove that the claimed identity is correct.
Source: MITRE CWE-1390
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Medium 5.5CVE-2026-83681 Public exploit
Microsoft PowerToys Tampering Vulnerability
Weak authentication in Microsoft PowerToys allows an authorized attacker to perform tampering locally.
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High 8.8CVE-2026-96940 Public exploit
Microsoft Exchange Server Elevation of Privilege Vulnerability
Weak authentication in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
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High 8.1CVE-2026-93355 Public exploit
LiteLLM Weak JWT Authentication via Email-Based User Lookup
LiteLLM contains a weak authentication vulnerability that allows an attacker holding a valid JWT from the configured identity provider to authenticate as any existing user by exploiting an email-based fallback lookup in the JWT authentication flow without ver…
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Critical 9.1
Microsoft SharePoint Server Security Feature Bypass Vulnerability
Weak authentication in Microsoft Office SharePoint allows an unauthorized attacker to bypass a security feature over a network.
KEV Aug 18, 2026 -
Critical 9.8CVE-2026-6274 Public exploit
Authentication Bypass in DTS Electronics' Redline WR3200
Improper Authentication, Missing authentication for critical function, Weak Authentication vulnerability in DTS Electronics Industry and Trade Ltd. Co. Redline WR3200 allows Accessing Functionality Not Properly Constrained by ACLs. This issue affects Redline …
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High 7.3CVE-2025-70994 Public exploit
Yadea T5 Electric Bicycles (models manufactured in/after 2024) have a weak authentication mechanism in their keyless en…
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Critical 9.8
SolarWinds Web Help Desk Authentication Bypass Vulnerability
SolarWinds Web Help Desk was found to be susceptible to an authentication bypass vulnerability that, if exploited, could allow an attacker to invoke specific actions within Web Help Desk.
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Critical 9.8
SolarWinds Web Help Desk Authentication Bypass Vulnerability
SolarWinds Web Help Desk was found to be susceptible to an authentication bypass vulnerability that if exploited, would allow a malicious actor to execute actions and methods that should be protected by authentication.
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High 8.1CVE-2025-1727 Public exploit
End-of-Train and Head-of-Train Remote Linking Protocol Weak Authentication
The protocol used for remote linking over RF for End-of-Train and Head-of-Train (also known as a FRED) relies on a BCH checksum for packet creation. It is possible to create these EoT and HoT packets with a software defined radio and issue brake control comma…
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Critical 9.8CVE-2025-39596 Public exploit
WordPress Quentn WP plugin <= 1.2.8 - Privilege Escalation Vulnerability
Weak Authentication vulnerability in Quentn.com GmbH Quentn WP quentn-wp allows Privilege Escalation.This issue affects Quentn WP: from n/a through <= 1.2.8.
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High 8.8CVE-2025-27740 Public exploit
Active Directory Certificate Services Elevation of Privilege Vulnerability
Weak authentication in Windows Active Directory Certificate Services allows an authorized attacker to elevate privileges over a network.
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High 7.8CVE-2024-49019 Public exploit
Active Directory Certificate Services Elevation of Privilege Vulnerability
Active Directory Certificate Services Elevation of Privilege Vulnerability