CVE-2026-57140 PraisonAI AgentOS exposes unauthenticated agent listing and invocation
Remote attackers can list and invoke AI agents without authentication, potentially accessing sensitive data and executing tools.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-57140?
CVE-2026-57140 is a critical missing authorization vulnerability in MervinPraison PraisonAI, published on 15 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
PraisonAI is a multi-agent teams system. From 1.6.0 until 1.7.2, AgentOS in src/praisonai-ts/src/os/agentos.ts uses the 0.0.0.0 default from src/praisonai-ts/src/os/config.ts and registers GET /api/agents and POST /api/chat without authentication middleware. A remote caller who can reach the service can obtain agent names, roles, and instruction prefixes and can invoke a selected agent, potentially reaching its tools, memory, external APIs, credentials, and workflow state. An initial remediation was released in version 1.7.2.
Weakness: CWE-306
Which versions are affected by CVE-2026-57140?
2 open source packages ship an affected version, including praisonai.
| Package | Affected | Fixed in |
|---|---|---|
praisonai npm | From 1.6.0 | 1.7.2 |
praisonai npm | From 1.6.0 | 1.7.2 |
How do I fix CVE-2026-57140?
Upgrade praisonai to 1.7.2 or later.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-57140 being exploited?
There is no known exploitation of CVE-2026-57140 in the wild and no public exploit code.
Sources
Also known as GHSA-9752-mhqh-h34f.