CVE-2026-105632: Improper Access Control

Plane is an open-source project management tool. Prior to 1.4.0, the GraphQL joinProject mutation lets any workspace member add themselves to any project in that workspace including network=0 secret/private projects they were never invited to and grants them a full Member role read + write. The...

CVE-2026-105629: Authorization Bypass Through User-Controlled Key

Plane is an open-source project management tool. Prior to 1.4.0, BulkEstimatePointEndpoint.destroy resolves an estimate point through a bare primary-key lookup without workspace, project, or estimate scoping. An administrator or member of one workspace can permanently delete an estimate point...

CVE-2026-105628: Server-Side Request Forgery (SSRF)

Plane is an open-source project management tool. Prior to 1.4.0, Plane's OAuth avatar synchronization flow fetches avatarurl from provider user data through a server-side HTTP request without internal IP validation and follows redirects by default. An attacker can provide an avatar URL that...

CVE-2026-104976: Server-Side Request Forgery (SSRF)

Plane is an open-source project management tool. Prior to 1.4.0, Plane validates GITEAHOST only for its URL scheme and does not reject hosts that resolve to private or internal IP addresses. The four outbound requests in the Gitea OAuth flow are derived from this unvalidated host and do not call...

CVE-2026-101919: Improper Input Validation

A flaw was found in the HyperShift operator. The operator copies user-provided Kubernetes configuration kubeconfig secrets directly into the privileged control plane namespace without proper validation or sanitization. An authenticated user with cluster and secret creation permissions can exploit...

CVE-2026-104970: Concurrent Execution using Shared Resource with Improper Synchronization

Plane is an open-source project management tool. From 0.13 until 1.4.0, InstanceAdminSignUpEndpoint in apps/api/plane/license/api/views/admin.py:89-117, 173-229 uses InstanceAdmin.objects.first for the first-admin check and performs account creation without an atomic transaction, row lock,...

CVE-2026-104966: Authorization Bypass Through User-Controlled Key

Plane is an open-source project management tool. Prior to 1.4.0, two endpoint families fail to verify that nested resource identifiers belong to the workspace and project named in the URL. An authenticated user can read or modify estimates from another workspace through PATCH...

CVE-2026-104894: Authorization Bypass Through User-Controlled Key

Plane is an open-source project management tool. Prior to 1.4.0, the modules endpoint accepts issue UUIDs in the URL path without validating that they belong to the caller's workspace. An authenticated user can link issues from any workspace to modules in their own workspace. This issue is fixed ...

CVE-2026-104974: Improper Access Control

Plane is an open-source project management tool. Prior to 1.4.0, a user whose account has been deactivated by setting isactive=False can still log in with existing credentials. Successful authentication silently changes isactive back to True, reactivating the account without notifying the...

CVE-2026-104969: Authorization Bypass Through User-Controlled Key

Plane is an open-source project management tool. Prior to 1.4.0, the cycle-issues endpoint accepts issue UUIDs in the request body without validating that they belong to the caller's workspace. An authenticated user can add issues from any workspace to a cycle they control. If a victim issue is...

CVE-2026-104968: Missing Authorization

Plane is an open-source project management tool. Prior to 1.4.0, GET /api/workspaces/slug/entity-search/?querytype=usermention returns workspace-member display names, UUIDs, and avatar URLs to any authenticated user who knows the workspace slug, even when the caller is not a workspace member. The...

CVE-2026-104967: Authorization Bypass Through User-Controlled Key

Plane is an open-source project management tool. Prior to 1.4.0, BulkDeleteIssuesEndpoint and SubIssuesEndpoint in apps/api/plane/app/views/issue/ accept body- or URL-supplied issue IDs and operate on them without checking that the IDs belong to the caller's workspace and project. The permission...

CVE-2026-104965: Authorization Bypass Through User-Controlled Key

Plane is an open-source project management tool. Prior to 1.4.0, the issue-relation endpoint accepts issue UUIDs in the request body without validating that they belong to the caller's workspace. An authenticated user can create relations linking their own issues to issues in any other workspace ...

CVE-2026-104893: Allocation of Resources Without Limits or Throttling

Plane is an open-source project management tool. Prior to 1.4.0, GET /api/users/api-tokens/ allows an authenticated user to retrieve API-token records, while PATCH /api/users/api-tokens/tokenid/ allows the user to modify the token's allowedratelimit field without server-side validation or a maxim...

PT-2026-106056

Plane is an open-source project management tool. Prior to 1.4.0, the fix for CVE-2026-27706 and GHSA-jcc6-f9v6-f7jw, an SSRF in work-item link unfurling shipped in v1.2.2, remains incomplete in the v1.3.1 GA release. Any authenticated project member can make the server fetch attacker-selected...

PT-2026-106082

Plane is an open-source project management tool. Prior to 1.4.0, ProjectJoinEndpoint at GET /api/workspaces/slug/projects/project id/join/pk/ uses permission classes = AllowAny and returns the full ProjectMemberInvite record, including its email, token, and role, to unauthenticated callers. The...

PT-2026-106060

Plane is an open-source project management tool. Prior to 1.4.0, Plane's OAuth avatar synchronization flow fetches avatar url from provider user data through a server-side HTTP request without internal IP validation and follows redirects by default. An attacker can provide an avatar URL that...

PT-2026-106015

Plane is an open-source project management tool. Prior to 1.4.0, aPITokenLogMiddleware logs API keys in plaintext. This allows someone with low privileges to steal user API keys and further escalate their privileges. This issue is fixed in 1.4.0...

CVE-2026-104892: Plaintext Storage of a Password

Plane is an open-source project management tool. Prior to 1.4.0, aPITokenLogMiddleware logs API keys in plaintext. This allows someone with low privileges to steal user API keys and further escalate their privileges. This issue is fixed in 1.4.0...

CVE-2026-104977: Server-Side Request Forgery (SSRF)

Plane is an open-source project management tool. Prior to 1.4.0, the fix for CVE-2026-27706 and GHSA-jcc6-f9v6-f7jw, an SSRF in work-item link unfurling shipped in v1.2.2, remains incomplete in the v1.3.1 GA release. Any authenticated project member can make the server fetch attacker-selected...