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CVE-2026-4252

Tenda AC8 IPv6 check_is_ipv6 ip address for authentication

A vulnerability was identified in Tenda AC8 16.03.50.11. Affected by this issue is the function check_is_ipv6 of the component IPv6 Handler. The manipulation leads to reliance on ip address for authentication. It is possible to initiate the attack remotely. The exploit is publicly available and might be used.

CVSS 4.0 · 9.3 Critical EPSS 1.4% KEV · Not listed
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CVE-2026-4829

Improper authentication in the external OAuth authentication flow in Devolutions Server 2026.1.11 and earlier allows an authenticated user to authenticate as other users, including administrators, via reuse of a session code from an external authentication flow.

CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
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CVE-2024-14034

Hirschmann HiEOS Authentication Bypass via HTTP Management Module

Hirschmann HiEOS devices versions prior to 01.1.00 contain an authentication bypass vulnerability in the HTTP(S) management module that allows unauthenticated remote attackers to gain administrative access by sending specially crafted HTTP(S) requests. Attackers can exploit improper authentication handling to obtain elevated privileges and perform unauthorized actions including configuration download or upload and firmware modification.

CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
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CVE-2026-5320

vanna-ai vanna Chat API Endpoint v2 missing authentication

A vulnerability was detected in vanna-ai vanna up to 2.0.2. Affected by this vulnerability is an unknown functionality of the file /api/vanna/v2/ of the component Chat API Endpoint. Performing a manipulation results in missing authentication. The attack can be initiated remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
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CVE-2026-34736

Open edX Platform: Account Activation Bypass via activation_key Exposure in REST API

Open edX Platform enables the authoring and delivery of online learning at any scale. From the maple release to before the ulmo release, an unauthenticated attacker can fully bypass the email verification process by combining two issues: the OAuth2 password grant issuing tokens to inactive users (documented behavior) and the activation_key being exposed in the REST API response at /api/user/v1/accounts/. This issue has been patched in the ulmo release.

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
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CVE-2026-34389

Fleet's user account creation via invite does not enforce invited email address

Fleet is open source device management software. Prior to 4.81.0, Fleet contained an issue in the user invitation flow where the email address provided during invite acceptance was not validated against the email address associated with the invite. An attacker who obtained a valid invite token could create an account under an arbitrary email address while inheriting the role granted by the invite, including global admin. Version 4.81.0 patches the issue.

CVSS 4.0 · 4.9 Medium EPSS < 1% KEV · Not listed
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CVE-2026-31946

OpenOLAT: Authentication bypass via forged JWT in OIDC implicit flow

OpenOlat is an open source web-based e-learning platform for teaching, learning, assessment and communication. From version 10.5.4 to before version 20.2.5, OpenOLAT's OpenID Connect implicit flow implementation does not verify JWT signatures. The JSONWebToken.parse() method silently discards the signature segment of the compact JWT (header.payload.signature), and the getAccessToken() methods in both OpenIdConnectApi and OpenIdConnectFullConfigurableApi only validate claim-level fields (issuer, audience, state, nonce) without any cryptographic signature verification against the Identity Provider's JWKS endpoint. This issue has been patched in version 20.2.5.

CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
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CVE-2025-71279

XenForo Passkey Security Bypass

XenForo before 2.3.7 contains a security issue affecting Passkeys that have been added to user accounts. An attacker may be able to compromise the security of Passkey-based authentication.

CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
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CVE-2024-44202

An authentication issue was addressed with improved state management. This issue is fixed in Safari 18, iOS 18 and iPadOS 18. Private Browsing tabs may be accessed without authentication.

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
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CVE-2024-40794

webkitgtk: webkit2gtk: Private Browsing tabs may be accessed without authentication

This issue was addressed through improved state management. This issue is fixed in Safari 17.6, iOS 17.6 and iPadOS 17.6, macOS Sonoma 14.6. Private Browsing tabs may be accessed without authentication.

CVSS 3.1 · 5.3 Medium EPSS 1.2% KEV · Not listed
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Ipados Iphone Os Macos and 1 more
CVE-2024-40778

An authentication issue was addressed with improved state management. This issue is fixed in iOS 16.7.9 and iPadOS 16.7.9, iOS 17.6 and iPadOS 17.6, macOS Sonoma 14.6. Photos in the Hidden Photos Album may be viewed without authentication.

CVSS 3.1 · 3.3 Low EPSS < 1% KEV · Not listed
Vendors
CVE-2024-27867

An authentication issue was addressed with improved state management. This issue is fixed in AirPods Firmware Update 6A326, AirPods Firmware Update 6F8, and Beats Firmware Update 6F8. When your headphones are seeking a connection request to one of your previously paired devices, an attacker in Bluetooth range might be able to spoof the intended source device and gain access to your headphones.

CVSS 3.1 · 3.3 Low EPSS < 1% KEV · Not listed
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CVE-2024-27835

This issue was addressed through improved state management. This issue is fixed in iOS 17.5 and iPadOS 17.5. An attacker with physical access to an iOS device may be able to access notes from the lock screen.

CVSS 3.1 · 2.4 Low EPSS < 1% KEV · Not listed
Vendors
CVE-2024-23255

An authentication issue was addressed with improved state management. This issue is fixed in iOS 17.4 and iPadOS 17.4, macOS Sonoma 14.4. Photos in the Hidden Photos Album may be viewed without authentication.

CVSS 3.1 · 9.1 Critical EPSS < 1% KEV · Not listed
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Products
Ios Ipad Os Ipados and 2 more
CVE-2024-23251

An authentication issue was addressed with improved state management. This issue is fixed in iOS 16.7.8 and iPadOS 16.7.8, iOS 17.5 and iPadOS 17.5, macOS Sonoma 14.5, watchOS 10.5. An attacker with physical access may be able to leak Mail account credentials.

CVSS 3.1 · 4.6 Medium EPSS < 1% KEV · Not listed
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Ios Ipados Iphone Os and 2 more
CVE-2024-23219

The issue was addressed with improved authentication. This issue is fixed in iOS 17.3 and iPadOS 17.3. Stolen Device Protection may be unexpectedly disabled.

CVSS 3.1 · 6.2 Medium EPSS < 1% KEV · Not listed
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CVE-2025-31271

This issue was addressed through improved state management. This issue is fixed in macOS Tahoe 26. Incoming FaceTime calls can appear or be accepted on a locked macOS device, even with notifications disabled on the lock screen.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
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CVE-2025-43281

The issue was addressed with improved authentication. This issue is fixed in macOS Sequoia 15.6. A local attacker may be able to elevate their privileges.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
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CVE-2024-44127

This issue was addressed through improved state management. This issue is fixed in iOS 17.7 and iPadOS 17.7, iOS 18 and iPadOS 18. Private Browsing tabs may be accessed without authentication.

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
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CVE-2026-21004

Improper Authentication in Smart Switch Enables Denial of Service

Improper authentication in Smart Switch prior to version 3.7.69.15 allows adjacent attackers to trigger a denial of service.

CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
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