GHSA-2299-GHJR-6VJP Parse Server: MFA recovery code single-use bypass via concurrent requests

Impact An attacker who obtains a user's password and a single MFA recovery code can reuse that recovery code an unlimited number of times by sending concurrent login requests. This defeats the single-use design of recovery codes. The attack requires the user's password, a valid recovery code, and...

Time-of-check Time-of-use (TOCTOU) Race Condition

Overview parse-server is a version of the Parse backend that can be deployed to any infrastructure that can run Node.js. Affected versions of this package are vulnerable to Time-of-check Time-of-use TOCTOU Race Condition due to the single-use design of recovery codes. An attacker who obtains a...

CVE-2026-33624

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.60 and 9.6.0-alpha.54, an attacker who obtains a user's password and a single MFA recovery code can reuse that recovery code an unlimited number of times by sending...

CVE-2026-33624 Parse Server: MFA recovery code single-use bypass via concurrent requests

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.60 and 9.6.0-alpha.54, an attacker who obtains a user's password and a single MFA recovery code can reuse that recovery code an unlimited number of times by sending...

CVE-2026-33624

CVE-2026-33624 affects Parse Server. Prior to versions 8.6.60 and 9.6.0-alpha.54, an attacker who knows a user’s password and a valid MFA recovery code can reuse that code indefinitely by sending concurrent login requests, defeating the single‑use design of recovery codes. Impacted component: MFA...

CVE-2026-33624 Parse Server: MFA recovery code single-use bypass via concurrent requests

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.60 and 9.6.0-alpha.54, an attacker who obtains a user's password and a single MFA recovery code can reuse that recovery code an unlimited number of times by sending...

PT-2026-27485

Name of the Vulnerable Software and Affected Versions Parse Server versions prior to 8.6.60 Parse Server versions prior to 9.6.0-alpha.54 Description An attacker with a user's password and a valid multi-factor authentication MFA recovery code can reuse the recovery code an unlimited number of tim...

CVE-2026-33624: Time-of-check Time-of-use (TOCTOU) Race Condition

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.60 and 9.6.0-alpha.54, an attacker who obtains a user's password and a single MFA recovery code can reuse that recovery code an unlimited number of times by sending...

CVE-2026-31875 Parse Server MFA recovery codes not consumed after use

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.6.0-alpha.7 and 8.6.33, when multi-factor authentication MFA via TOTP is enabled for a user account, Parse Server generates two single-use recovery codes. These codes are intended as...

Operation on a Resource after Expiration or Release

Overview parse-server is a version of the Parse backend that can be deployed to any infrastructure that can run Node.js. Affected versions of this package are vulnerable to Operation on a Resource after Expiration or Release due to the recovery code. An attacker can repeatedly gain unauthorized...

GO-2026-4449 Gogs Vulnerable to 2FA Bypass via Recovery Code in gogs.io/gogs

Gogs Vulnerable to 2FA Bypass via Recovery Code in gogs.io/gogs. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positive reports from vulnerability scanners, please suggest an...

Authentication Bypass Using an Alternate Path or Channel

Overview Affected versions of this package are vulnerable to Authentication Bypass Using an Alternate Path or Channel in the UseRecoveryCode function, which fails to check the supplied userID before validating the second factor. A user in possession of the username and password of another user ca...

Authentication Bypass Using an Alternate Path or Channel

Overview Affected versions of this package are vulnerable to Authentication Bypass Using an Alternate Path or Channel in the UseRecoveryCode function, which fails to check the supplied userID before validating the second factor. A user in possession of the username and password of another user ca...

Authentication Bypass Using an Alternate Path or Channel

Overview Affected versions of this package are vulnerable to Authentication Bypass Using an Alternate Path or Channel in the UseRecoveryCode function, which fails to check the supplied userID before validating the second factor. A user in possession of the username and password of another user ca...

GHSA-P6X6-9MX6-26WJ Gogs Vulnerable to 2FA Bypass via Recovery Code

Contact OpenAI Security Research at [email protected] to engage on this report. See PDF report for easier reading. Security Advisory: 2FA Bypass via Recovery Code Vulnerability Type: 2FA Authentication Bypass Affected Software: GOGS Severity: High Date: Aug 5, 2025 Discoverer: OpenAI...

Gogs Vulnerable to 2FA Bypass via Recovery Code

Contact OpenAI Security Research at [email protected] to engage on this report. See PDF report for easier reading. Security Advisory: 2FA Bypass via Recovery Code Vulnerability Type: 2FA Authentication Bypass Affected Software: GOGS Severity: High Date: Aug 5, 2025 Discoverer: OpenAI...

CVE-2025-64175 Gogs Vulnerable to 2FA Bypass via Recovery Code

Gogs is an open source self-hosted Git service. In version 0.13.3 and prior, Gogs’ 2FA recovery code validation does not scope codes by user, enabling cross-account bypass. If an attacker knows a victim’s username and password, they can use any unused recovery code e.g., from their own account to...

EUVD-2025-206882

Gogs is an open source self-hosted Git service. In version 0.13.3 and prior, Gogs’ 2FA recovery code validation does not scope codes by user, enabling cross-account bypass. If an attacker knows a victim’s username and password, they can use any unused recovery code e.g., from their own account to...

PT-2026-6864

Contact OpenAI Security Research at [email protected] to engage on this report. See PDF report for easier reading. Security Advisory: 2FA Bypass via Recovery Code Vulnerability Type: 2FA Authentication Bypass Affected Software: GOGS Severity: High Date: Aug 5, 2025 Discoverer: OpenAI...

CVE-2025-64175: Improper Authentication

Gogs is an open source self-hosted Git service. In version 0.13.3 and prior, Gogs’ 2FA recovery code validation does not scope codes by user, enabling cross-account bypass. If an attacker knows a victim’s username and password, they can use any unused recovery code e.g., from their own account to...