CVE-2026-61436: high-severity vulnerability in MervinPraison PraisonAI
PraisonAI before 4.6.78 Missing Webhook Signature Verification
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.8epss 0.4%
PraisonAI before 4.6.78 fails to verify Svix webhook signatures in AgentMail webhook mode, allowing unauthenticated attackers to forge message.received events. Attackers can send crafted JSON payloads to the webhook endpoint to invoke configured agents with arbitrary sender addresses and message content.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N
Affected products
MervinPraison · PraisonAIRelated CVEs — MervinPraison PraisonAI
In the same product, most dangerous first.
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References
https://github.com/MervinPraison/PraisonAI/commit/2a855c470077c7d2e2479a575f7ef7f548d51c33https://github.com/MervinPraison/PraisonAI/commit/846568c7a5d8ce9e71e56e4c213f027c04909753https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-7c92-x8vg-4258https://www.vulncheck.com/advisories/praisonai-before-missing-webhook-signature-verification