CVE-2026-55429

Coder's CVE-2026-55429 describes a cross-workspace agent rebinding vulnerability in UpsertWorkspaceApp and insertAgentApp where a provisioner payload can bind a victim app to an attacker-controlled agent due to lack of workspace verification. Prior to versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2, ...

GO-2026-5909 Coder's workspace app upsert allows cross-workspace agent rebinding via user-controlled app ID in github.com/coder/coder

Coder's workspace app upsert allows cross-workspace agent rebinding via user-controlled app ID in github.com/coder/coder...

Coder's workspace app upsert allows cross-workspace agent rebinding via user-controlled app ID

Summary UpsertWorkspaceApp overwrites an existing app's agentid on a primary-key conflict and insertAgentApp accepts the app ID from the provisioner's CompleteJob payload without verifying it belongs to the workspace being built. CompleteJob runs under dbauthz.AsProvisionerd so the authorization...

GHSA-9RJW-3GWP-F59V Coder's workspace app upsert allows cross-workspace agent rebinding via user-controlled app ID

Summary UpsertWorkspaceApp overwrites an existing app's agentid on a primary-key conflict and insertAgentApp accepts the app ID from the provisioner's CompleteJob payload without verifying it belongs to the workspace being built. CompleteJob runs under dbauthz.AsProvisionerd so the authorization...