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CVE-2026-57128 is an authentication flaw in the SSE server component of PraisonAI praisonaiagents. The /publish endpoint does not enforce authentication, allowing an unauthenticated party with network access to the SSE service to submit arbitrary events for broadcast to connected Server-Sent Events clients. The /info endpoint also lacks authentication, exposing server configuration details and connected client counts. The issue affects deployments where the SSE server is reachable by an attacker, particularly if it is exposed beyond the default localhost binding. Successful exploitation enables unauthorized event injection into the application’s event stream and information disclosure useful for follow-on activity.
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What an attacker gets, and what they’ve been doing with it.
/info endpoint also discloses operational details such as server configuration and client counts, which can support reconnaissance and targeting.If you can’t patch tonight, do this now.
127.0.0.1, and do not expose it on 0.0.0.0 or other externally reachable interfaces. Add authentication checks in front of /publish, /events, and /info, and limit access to trusted local components or administrative networks only.Patch, then assume compromise.
/publish, /events, and /info, by validating the configured bearer token or equivalent auth_token. Preserve the default localhost-only binding unless remote exposure is explicitly required, and document secure production configuration so the service is not deployed without access controls.No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
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No public activity tracked yet. Mallory keeps watching.
No public activity observed for this vulnerability.
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Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
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Cross-references every affected SKU, including bundled OEM variants.
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