CVE-2026-53959

CVE-2026-53959 - 4gaBoards 3.3.9 - User Information Disclosure This repo contains a Proof of ConceptPoC exploit for CVE-2026-53959 Disclaimer This project is provided for educational purposes and authorized security testing only. Do not use it against systems that you do not own or have permissio...

Exploit for CVE-2026-53959

CVE-2026-53959 - 4gaBoards python exploit.py http://localhost...

CVE-2026-53958

4gaBoards is a boards system for realtime project management. Prior to 3.3.9, 4gaBoards allows an authenticated user to modify ssoGoogleId, ssoGoogleEmail, ssoGithubId, ssoGithubUsername, ssoGithubEmail, ssoMicrosoftId, ssoMicrosoftEmail, ssoOidcId, and ssoOidcEmail through PATCH /api/users/:id...

CVE-2026-53959

4gaBoards is a boards system for realtime project management. Prior to 3.3.9, 4gaBoards allows any authenticated user to enumerate account information for every user through GET /api/users and retrieve arbitrary accounts through GET /api/users/:id. The users/index and users/show actions rely only...

CVE-2026-50186

4gaBoards is a boards system for realtime project management. Prior to 3.3.8, 4gaBoards allows an authenticated project manager to supply traversal sequences in the filename parameter of GET /exports/:id/:filename. In server/api/controllers/boards/download.js, the decoded inputs.filename value is...

CVE-2026-50191

4gaBoards is a boards system for realtime project management. Prior to 3.3.8, 4gaBoards is vulnerable to pre-account takeover when registrationEnabled, localRegistrationEnabled, and ssoRegistrationEnabled are enabled and Google, GitHub, Microsoft, or OIDC SSO is configured. The POST /api/register...

EUVD-2026-62204

4gaBoards is a boards system for realtime project management. Prior to 3.3.9, 4gaBoards allows any authenticated user to enumerate account information for every user through GET /api/users and retrieve arbitrary accounts through GET /api/users/:id. The users/index and users/show actions rely only...

CVE-2026-53959 4gaBoards: Mass Information Disclosure (Internal PII Leakage) on /api/users to any authenticated user

4gaBoards is a boards system for realtime project management. Prior to 3.3.9, 4gaBoards allows any authenticated user to enumerate account information for every user through GET /api/users and retrieve arbitrary accounts through GET /api/users/:id. The users/index and users/show actions rely only...

CVE-2026-53959 4gaBoards: Mass Information Disclosure (Internal PII Leakage) on /api/users to any authenticated user

4gaBoards is a boards system for realtime project management. Prior to 3.3.9, 4gaBoards allows any authenticated user to enumerate account information for every user through GET /api/users and retrieve arbitrary accounts through GET /api/users/:id. The users/index and users/show actions rely only...

CVE-2026-53959 4gaBoards: Mass Information Disclosure (Internal PII Leakage) on /api/users to any authenticated user

4gaBoards is a boards system for realtime project management. Prior to 3.3.9, 4gaBoards allows any authenticated user to enumerate account information for every user through GET /api/users and retrieve arbitrary accounts through GET /api/users/:id. The users/index and users/show actions rely only...

CVE-2026-53959

In 4gaBoards prior to 3.3.9, authenticated users can call GET /api/users or GET /api/users/:id to retrieve every account's email, phone, organization, SSO-linked email fields, and isAdmin flag for any user including administrators. The root cause is that server/api/controllers/users/index.js retu...

CVE-2026-53958 4gaBoards: SSO Pre-Account Takeover / Hijacking via Mass Assignment

4gaBoards is a boards system for realtime project management. Prior to 3.3.9, 4gaBoards allows an authenticated user to modify ssoGoogleId, ssoGoogleEmail, ssoGithubId, ssoGithubUsername, ssoGithubEmail, ssoMicrosoftId, ssoMicrosoftEmail, ssoOidcId, and ssoOidcEmail through PATCH /api/users/:id...

CVE-2026-53958 4gaBoards: SSO Pre-Account Takeover / Hijacking via Mass Assignment

4gaBoards is a boards system for realtime project management. Prior to 3.3.9, 4gaBoards allows an authenticated user to modify ssoGoogleId, ssoGoogleEmail, ssoGithubId, ssoGithubUsername, ssoGithubEmail, ssoMicrosoftId, ssoMicrosoftEmail, ssoOidcId, and ssoOidcEmail through PATCH /api/users/:id...

CVE-2026-53958

4gaBoards versions prior to 3.3.9 are vulnerable to an SSO pre-account takeover via mass assignment. The whitelist in server/api/controllers/users/update.js permits an authenticated user to modify backend-managed identity fields (e.g., ssoGithubId, ssoGoogleId, ssoOidcId) through PATCH /api/users...

CVE-2026-53958 4gaBoards: SSO Pre-Account Takeover / Hijacking via Mass Assignment

4gaBoards is a boards system for realtime project management. Prior to 3.3.9, 4gaBoards allows an authenticated user to modify ssoGoogleId, ssoGoogleEmail, ssoGithubId, ssoGithubUsername, ssoGithubEmail, ssoMicrosoftId, ssoMicrosoftEmail, ssoOidcId, and ssoOidcEmail through PATCH /api/users/:id...

EUVD-2026-62203

4gaBoards is a boards system for realtime project management. Prior to 3.3.9, 4gaBoards allows an authenticated user to modify ssoGoogleId, ssoGoogleEmail, ssoGithubId, ssoGithubUsername, ssoGithubEmail, ssoMicrosoftId, ssoMicrosoftEmail, ssoOidcId, and ssoOidcEmail through PATCH /api/users/:id...

CVE-2026-50186

An authenticated project manager in 4gaBoards

CVE-2026-50186 4gaBoards: Path Traversal leading to Arbitrary File Read and Deletion in Board Export

4gaBoards is a boards system for realtime project management. Prior to 3.3.8, 4gaBoards allows an authenticated project manager to supply traversal sequences in the filename parameter of GET /exports/:id/:filename. In server/api/controllers/boards/download.js, the decoded inputs.filename value is...

CVE-2026-50186 4gaBoards: Path Traversal leading to Arbitrary File Read and Deletion in Board Export

4gaBoards is a boards system for realtime project management. Prior to 3.3.8, 4gaBoards allows an authenticated project manager to supply traversal sequences in the filename parameter of GET /exports/:id/:filename. In server/api/controllers/boards/download.js, the decoded inputs.filename value is...

CVE-2026-50186 4gaBoards: Path Traversal leading to Arbitrary File Read and Deletion in Board Export

4gaBoards is a boards system for realtime project management. Prior to 3.3.8, 4gaBoards allows an authenticated project manager to supply traversal sequences in the filename parameter of GET /exports/:id/:filename. In server/api/controllers/boards/download.js, the decoded inputs.filename value is...