CVE-2026-61436: PraisonAI: AgentMail webhook mode accepts forged unsigned message.received events and invokes agents
praisonai AgentMail webhook mode exposes a public aiohttp webhook endpoint that accepts caller-controlled message.received JSON without verifying AgentMail’s Svix webhook signatures, then dispatches the forged message into the configured agent session and reply path.
References
- github.com/MervinPraison/PraisonAI/commit/2a855c470077c7d2e2479a575f7ef7f548d51c33
- github.com/MervinPraison/PraisonAI/commit/846568c7a5d8ce9e71e56e4c213f027c04909753
- github.com/MervinPraison/PraisonAI/security/advisories/GHSA-7c92-x8vg-4258
- github.com/advisories/GHSA-7c92-x8vg-4258
- nvd.nist.gov/vuln/detail/CVE-2026-61436
- nvd.nist.gov/vuln/detail/CVE-2026-62172
- www.vulncheck.com/advisories/praisonai-before-missing-webhook-signature-verification
Code Behaviors & Features
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