praisonai-platform: Any workspace member can add arbitrary user as owner via POST /workspaces/{id}/members
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Privilege escalation, Security bypass
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-269 and CWE-862.
Summary
PraisonAI Platform is the platform layer for the PraisonAI multi-agent teams system. Versions prior to 0.1.4 have aprivilege escalation / cross-tenant member injection. The `POST /workspaces/{workspace_id}/members` endpoint is gated only by `require_workspace_member(workspace_id)` (default `min_role="member"`) and forwards the request body's `user_id` and `role` straight into `MemberService.add(workspace_id, user_id, role)`, which has no caller-permission check. A user with the lowest workspace privilege can add any user (including a new attacker-controlled second account, or an existing account they want to grief) as owner of the workspace. PraisonAI Platform version 0.1.4 patches the issue.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| MervinPraison | praisonai-platform | before 0.1.4 | 0.1.4 | Patch available | CNA |
| — | praisonai-platform (PyPI) | before 0.1.4 | 0.1.4 | Patch available | GHSA-8g2p-pqm3-fcfh |
- praisonai-platform VendorMervinPraison Affected before 0.1.4 Fixed in 0.1.4 Patch available CNA
- praisonai-platform (PyPI) Vendor— Affected before 0.1.4 Fixed in 0.1.4 Patch available GHSA-8g2p-pqm3-fcfh
Remediation
- Fix · CNA praisonai-platform (MervinPraison) Fixed in 0.1.4
- Fix · GHSA-8g2p-pqm3-fcfh praisonai-platform (PyPI) Fixed in 0.1.4 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2026-47413
- 2026-10-03 Alias added: GHSA-8g2p-pqm3-fcfh
References
More MervinPraison vulnerabilities
- TI-2026-79619 Missing authentication in PraisonAI AgentOS exposes agent chat CVSS 3.1CRITICAL 9.8
- TI-2026-71236 Missing access control in PraisonAI AgentTeam exposes agent endpoints CVSS 3.1CRITICAL 9.8
- TI-2026-44052 PraisonAI before 1.6.78 Remote Code Execution via CodeAgent CVSS 4.0CRITICAL 10.0
- TI-2026-41123 praisonai-platform 0.1.4 still boots on the hardcoded JWT secret dev-secret-change-me (default-open production guard) CVSS 3.1CRITICAL 9.8
- TI-2026-41122 praisonai-platform: default JWT signing secret 'dev-secret-change-me' enables token forgery CVSS 3.1CRITICAL 9.8
- TI-2026-41118 PraisonAI MCPServer exposes unauthenticated HTTP tools/call CVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-47413 · CVE Program
- CVE-2026-47413 · NVD
- FIRST EPSS
- GHSA-8g2p-pqm3-fcfh · GitHub Advisory Database · CC BY 4.0
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