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CVE

CVE-2026-57140

PraisonAI AgentOS exposes unauthenticated agent listing and invocation
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CVE

CVE-2026-57140

PraisonAI AgentOS exposes unauthenticated agent listing and invocation

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.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.4
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
C
H
U
-

Related Resources

No items found.

References

https://github.com/MervinPraison/PraisonAI/releases/tag/v4.6.60, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/57xxx/CVE-2026-57140.json, https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-9752-mhqh-h34f, https://nvd.nist.gov/vuln/detail/CVE-2026-57140, https://github.com/MervinPraison/PraisonAI/commit/709a0387853709a5e2f2c34680fa64cada252c27

Severity

9.4

CVSS Score
0
10

Basic Information

Base CVSS
9.4
EPSS Probability
0.00642%
EPSS Percentile
0.49873%
Introduced Version
0
Fix Available
709a0387853709a5e2f2c34680fa64cada252c27

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