PraisonAI ToolsMCPServer legacy SSE transport accepts attacker Host/Origin and exposes registered tools
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
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| MervinPraison | PraisonAI | affected |
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| MervinPraison | praisonaiagents | affected |
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No data.
No data.
| Vendor | Product | Versions | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Mervinpraison | Praisonai |
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| Mervinpraison | Praisonaiagents |
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| Source | ID | Title |
|---|---|---|
Github GHSA |
GHSA-vmf9-xx9w-86wx | PraisonAI ToolsMCPServer legacy SSE transport accepts attacker Host/Origin and exposes registered tools |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.224% probability within 30 days)
| Type | Values Removed | Values Added |
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| Metrics |
ssvc
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| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mervinpraison
Mervinpraison praisonai Mervinpraison praisonaiagents |
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| Vendors & Products |
Mervinpraison
Mervinpraison praisonai Mervinpraison praisonaiagents |
| Type | Values Removed | Values Added |
|---|---|---|
| Description | PraisonAI is a multi-agent teams system. From praisonaiagents 0.6.0 until 1.6.59 and PraisonAI 3.10.0 until 4.6.59, ToolsMCPServer.run_sse() in src/praisonai-agents/praisonaiagents/mcp/mcp_server.py mounts SseServerTransport on the legacy /sse and /messages/ endpoints without default Host, Origin, or authentication enforcement. A malicious website can use DNS rebinding against a reachable local or internal SSE server, supply attacker-controlled Host and Origin headers, enumerate registered tools, and invoke them with the server user's privileges. The Streamable HTTP transport rejects the same hostile Origin, which isolates the flaw to the legacy SSE wrapper. An initial remediation was released in praisonaiagents 1.6.59 and PraisonAI 4.6.59. | |
| Title | PraisonAI ToolsMCPServer legacy SSE transport accepts attacker Host/Origin and exposes registered tools | |
| Weaknesses | CWE-306 CWE-346 CWE-862 |
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| References |
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| Metrics |
cvssV3_1
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