CVE-2026-61436

EUVD-2026-44642
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.6 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Common Weakness Enumeration
References
https://github.com/MervinPraison/PraisonAI/commit/2a855c470077c7d2e2479a575f7ef7f548d51c33
https://github.com/MervinPraison/PraisonAI/commit/846568c7a5d8ce9e71e56e4c213f027c04909753
https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-7c92-x8vg-4258
https://www.vulncheck.com/advisories/praisonai-before-missing-webhook-signature-verification
https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-7c92-x8vg-4258