CVE-2023-54391 Proxmox VE 7.0-8.0 Authentication Bypass via tfa-challenge Parameter

Proxmox Virtual Environment VE 7.0 through 8.0 contains an authentication bypass vulnerability in libpve-access-control before 8.0.4 that allows unauthenticated attackers to authenticate as any existing enabled user without a configured second factor by supplying an arbitrary tfa-challenge value ...

CVE-2023-54391 Proxmox VE 7.0-8.0 Authentication Bypass via tfa-challenge Parameter

Proxmox Virtual Environment VE 7.0 through 8.0 contains an authentication bypass vulnerability in libpve-access-control before 8.0.4 that allows unauthenticated attackers to authenticate as any existing enabled user without a configured second factor by supplying an arbitrary tfa-challenge value ...

CVE-2023-54391

Proxmox Virtual Environment (VE) 7.0 through 8.0 contains a critical authentication bypass in libpve-access-control before 8.0.4 . By supplying an arbitrary value in the tfa-challenge parameter of the access ticket API endpoint, unauthenticated attackers can skip password verification entirely an...

EUVD-2026-65118

Filament: Multi-factor authentication app can be bypassed when recovery codes are enabled...

GHSA-52XP-W8HR-XV3C Filament: Multi-factor authentication (app) can be bypassed when recovery codes are enabled

A flaw in the challenge handling for app-based multi-factor authentication allows the second factor to be bypassed. This issue does not affect email-based MFA. It also only applies when recovery codes are enabled...

Filament: Multi-factor authentication (app) can be bypassed when recovery codes are enabled

A flaw in the challenge handling for app-based multi-factor authentication allows the second factor to be bypassed. This issue does not affect email-based MFA. It also only applies when recovery codes are enabled...

EUVD-2026-69556

Filament is a collection of full-stack components for accelerated Laravel development. From 4.0.0 until 4.12.5 and 5.7.5, packages/panels/src/Auth/Pages/Login.php presents the multi-factor authentication challenge before evaluating canAccessPanel. For an account that canAccessPanel denies,...

CVE-2026-84307 Filament: Password validity disclosure for accounts denied panel access on login page

Filament is a collection of full-stack components for accelerated Laravel development. From 4.0.0 until 4.12.5 and 5.7.5, packages/panels/src/Auth/Pages/Login.php presents the multi-factor authentication challenge before evaluating canAccessPanel. For an account that canAccessPanel denies,...

CVE-2026-84307

CVE-2026-84307 affects Filament (a Laravel full-stack component collection) in versions 4.0.0 through 4.12.5 and 5.7.5. In packages/panels/src/Auth/Pages/Login.php, the multi-factor authentication (MFA) challenge is presented before the canAccessPanel() check. For accounts that have MFA enabled b...

CVE-2026-84307 Filament: Password validity disclosure for accounts denied panel access on login page

Filament is a collection of full-stack components for accelerated Laravel development. From 4.0.0 until 4.12.5 and 5.7.5, packages/panels/src/Auth/Pages/Login.php presents the multi-factor authentication challenge before evaluating canAccessPanel. For an account that canAccessPanel denies,...

CVE-2023-54391: Missing Critical Step in Authentication

Proxmox Virtual Environment VE 7.0 through 8.0 contains an authentication bypass vulnerability in libpve-access-control before 8.0.4 that allows unauthenticated attackers to authenticate as any existing enabled user without a configured second factor by supplying an arbitrary tfa-challenge value ...

PT-2026-84401

Name of the Vulnerable Software and Affected Versions Filament versions prior to 4.12.5 Filament versions prior to 5.7.5 Description The login page presents the multi-factor authentication MFA challenge before evaluating the canAccessPanel function. For accounts where canAccessPanel denies access...

PT-2026-84529

Name of the Vulnerable Software and Affected Versions Proxmox Virtual Environment VE versions 7.0 through 8.0 Description An authentication bypass exists in libpve-access-control that allows unauthenticated attackers to authenticate as any enabled user who does not have a second factor configured...

VulnCheck KEV: CVE-2023-54391

Proxmox Virtual Environment VE 7.0 through 8.0 contains an authentication bypass vulnerability in libpve-access-control before 8.0.4 that allows unauthenticated attackers to authenticate as any existing enabled user without a configured second factor by supplying an arbitrary tfa-challenge value ...

CVE-2026-16599

A flaw was found in wget's FTP OPIE/S-KEY authentication functionality. A malicious FTP server or a network attacker can send a specially crafted OPIE challenge. This challenge contains a sequence number that, when processed by wget, can lead to an excessive number of cryptographic computations...

CVE-2026-16599 Denial of Service in GNU wget

GNU wget is vulnerable to denial of service in its FTP OPIE/S-KEY authentication functionality. The server-supplied sequence number from the FTP challenge line is used as an iteration count for an MD5 key-derivation loop without any upper bound validation. A malicious FTP server or a network...

CVE-2026-77567

Filament is a collection of full-stack components for accelerated Laravel development. Prior to versions 4.12.0 and 5.7.0, incorrect challenge-form required-field handling allows app-based multi-factor authentication to be bypassed when recovery codes are enabled. Email-based multi-factor...

CVE-2026-77567 Filament: App-based MFA can be bypassed when recovery codes are enabled

Filament is a collection of full-stack components for accelerated Laravel development. Prior to versions 4.12.0 and 5.7.0, incorrect challenge-form required-field handling allows app-based multi-factor authentication to be bypassed when recovery codes are enabled. Email-based multi-factor...

CVE-2026-77567

CVE-2026-77567 affects Filament , a full-stack component library for Laravel development. Prior to versions 4.12.0 and 5.7.0 , incorrect challenge-form required-field handling allows app-based multi-factor authentication (MFA) to be bypassed when recovery codes are enabled. Email-based MFA is not...

CVE-2026-77567 Filament: App-based MFA can be bypassed when recovery codes are enabled

Filament is a collection of full-stack components for accelerated Laravel development. Prior to versions 4.12.0 and 5.7.0, incorrect challenge-form required-field handling allows app-based multi-factor authentication to be bypassed when recovery codes are enabled. Email-based multi-factor...