CVE-2026-39322

PolarLearn is a free and open-source learning program. In 0-PRERELEASE-15 and earlier, POST /api/v1/auth/sign-in creates a valid session for banned accounts before verifying the supplied password. That session is then accepted across authenticated /api routes, enabling account data access and...

CVE-2026-39322

PolarLearn is a free and open-source learning program. In 0-PRERELEASE-15 and earlier, POST /api/v1/auth/sign-in creates a valid session for banned accounts before verifying the supplied password. That session is then accepted across authenticated /api routes, enabling account data access and...

CVE-2026-39322 PolarLearn: Any password authenticates banned accounts and grants API access

PolarLearn is a free and open-source learning program. In 0-PRERELEASE-15 and earlier, POST /api/v1/auth/sign-in creates a valid session for banned accounts before verifying the supplied password. That session is then accepted across authenticated /api routes, enabling account data access and...

CVE-2026-39322 PolarLearn: Any password authenticates banned accounts and grants API access

PolarLearn is a free and open-source learning program. In 0-PRERELEASE-15 and earlier, POST /api/v1/auth/sign-in creates a valid session for banned accounts before verifying the supplied password. That session is then accepted across authenticated /api routes, enabling account data access and...

CVE-2026-39322

PolarLearn (0-PRERELEASE-15 and earlier) is affected. The issue: POST /api/v1/auth/sign-in creates a valid session for banned accounts before password verification, and that session is accepted on authenticated /api routes, allowing account data access and authenticated actions as the banned user...

EUVD-2026-19853

PolarLearn is a free and open-source learning program. In 0-PRERELEASE-15 and earlier, POST /api/v1/auth/sign-in creates a valid session for banned accounts before verifying the supplied password. That session is then accepted across authenticated /api routes, enabling account data access and...

CVE-2026-35610

CVE-2026-35610 affects PolarLearn; in 0-PRERELEASE-14 and earlier, the account-management module’s setCustomPassword(userId, password) and deleteUser(userId) used an inverted admin check, allowing authenticated non-admin users to perform these actions and effectively escalating privileges. This i...

CVE-2026-35610 PolarLearn has a Server Action Admin Bypass in Account Management Actions

PolarLearn is a free and open-source learning program. In 0-PRERELEASE-14 and earlier, setCustomPassworduserId, password and deleteUseruserId in the account-management module used an inverted admin check. Because of the inverted condition, authenticated non-admin users were allowed to execute bot...

CVE-2026-35610

PolarLearn is a free and open-source learning program. In 0-PRERELEASE-14 and earlier, setCustomPassworduserId, password and deleteUseruserId in the account-management module used an inverted admin check. Because of the inverted condition, authenticated non-admin users were allowed to execute bot...

PolarLearn 授权问题漏洞

PolarLearn is an online learning platform developed by PolarNL. Versions of PolarLearn prior to 0-PRERELEASE-14 contained an authorization issue vulnerability. This vulnerability stemmed from the use of reverse administrator checks in the account-management module’s setCustomPassword and deleteUs...

PolarLearn 授权问题漏洞

PolarLearn is an online learning platform developed by PolarNL as open source. Versions of PolarLearn prior to 0-PRERELEASE-15 contained an authorization issue vulnerability. This vulnerability stemmed from the creation of valid sessions for accounts that were already disabled, which could lead t...

PT-2026-30983

PolarLearn is a free and open-source learning program. In 0-PRERELEASE-15 and earlier, POST /api/v1/auth/sign-in creates a valid session for banned accounts before verifying the supplied password. That session is then accepted across authenticated /api routes, enabling account data access and...

PT-2026-30921

PolarLearn is a free and open-source learning program. In 0-PRERELEASE-14 and earlier, setCustomPassworduserId, password and deleteUseruserId in the account-management module used an inverted admin check. Because of the inverted condition, authenticated non-admin users were allowed to execute bot...

CVE-2026-25885

PolarLearn is a free and open-source learning program. In 0-PRERELEASE-16 and earlier, the group chat WebSocket at wss://polarlearn.nl/api/v1/ws can be used without logging in. An unauthenticated client can subscribe to any group chat by providing a group UUID, and can also send messages to any...

CVE-2026-25885

PolarLearn is a free and open-source learning program. In 0-PRERELEASE-16 and earlier, the group chat WebSocket at wss://polarlearn.nl/api/v1/ws can be used without logging in. An unauthenticated client can subscribe to any group chat by providing a group UUID, and can also send messages to any...

CVE-2026-25885 PolarLearn allows Unauthenticated WebSocket access allows subscribing to and posting in arbitrary group chats

PolarLearn is a free and open-source learning program. In 0-PRERELEASE-16 and earlier, the group chat WebSocket at wss://polarlearn.nl/api/v1/ws can be used without logging in. An unauthenticated client can subscribe to any group chat by providing a group UUID, and can also send messages to any...

CVE-2026-25885

CVE-2026-25885 affects PolarLearn: the group chat WebSocket (wss://polarlearn.nl/api/v1/ws) allowed unauthenticated clients to subscribe to and post in any group chat, storing messages in the chatContent. This is described for 0-PRERELEASE-16 and earlier. The vulnerability is unpatched/undetailed...

CVE-2026-25885 PolarLearn allows Unauthenticated WebSocket access allows subscribing to and posting in arbitrary group chats

PolarLearn is a free and open-source learning program. In 0-PRERELEASE-16 and earlier, the group chat WebSocket at wss://polarlearn.nl/api/v1/ws can be used without logging in. An unauthenticated client can subscribe to any group chat by providing a group UUID, and can also send messages to any...

CVE-2026-25885 PolarLearn allows Unauthenticated WebSocket access allows subscribing to and posting in arbitrary group chats

PolarLearn is a free and open-source learning program. In 0-PRERELEASE-16 and earlier, the group chat WebSocket at wss://polarlearn.nl/api/v1/ws can be used without logging in. An unauthenticated client can subscribe to any group chat by providing a group UUID, and can also send messages to any...

CVE-2026-25885

PolarLearn is a free and open-source learning program. In 0-PRERELEASE-16 and earlier, the group chat WebSocket at wss://polarlearn.nl/api/v1/ws can be used without logging in. An unauthenticated client can subscribe to any group chat by providing a group UUID, and can also send messages to any...