{"uuid": "a884baee-f438-40a5-978f-8effb21cdb1c", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-108711", "type": "seen", "source": "https://infosec.exchange/users/cve/statuses/117422311105481470", "content": "CVE-2026-108711 Plastic Labs Honcho through 3.3.0 Incorrect Authorization via POST /v3/workspaces Plastic Labs Honcho through 3.3.0 contains an incorrect authorization vulnerability that allows peer- or session-scoped API key holders to read workspace data because get_or_create_workspace checks only the workspace claim. Attackers can submit their parent workspace name to the POST /v3/workspaces endpoint to retrieve workspace metadata and configuration, including custom_instructions, reserved for workspace or admin keys.\nhttps://www.cve.org/CVERecord?id=CVE-2026-108711https://hackmd.io/@haind/honcho-scoped-jwt-workspace-config-disclosurehttps://github.com/plastic-labs/honcho/blob/608aec8a928da13c540262ed980c569448fb53ab/src/routers/workspaces.py#L41-L72https://github.com/plastic-labs/honcho/blob/608aec8a928da13c540262ed980c569448fb53ab/src/security.py#L218-L225https://github.com/plastic-labs/honcho/blob/608aec8a928da13c540262ed980c569448fb53ab/src/crud/workspace.py#L112-L119https://github.com/plastic-labs/honchohttps://www.vulncheck.com/advisories/plastic-labs-honcho-through-3.3.0-incorrect-authorization-via-post-v3-workspaces#PlasticLabs #honcho#CVE_2026_108711#bot", "creation_timestamp": "2026-10-11T12:37:57.044022Z"}