CVE-2026-61436
PraisonAI before 4.6.78 Missing Webhook Signature Verification
CVSS Score
8.6
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-287 |
| Vendor | mervinpraison |
| Product | praisonai |
| Published | Jul 15, 2026 |
| Last Updated | Jul 15, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
High
Availability
Low
Affected Versions
MervinPraison / PraisonAI
0 < 4.6.78
References
github.com: https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-7c92-x8vg-4258 github.com: https://github.com/MervinPraison/PraisonAI/commit/846568c7a5d8ce9e71e56e4c213f027c04909753 github.com: https://github.com/MervinPraison/PraisonAI/commit/2a855c470077c7d2e2479a575f7ef7f548d51c33 vulncheck.com: https://www.vulncheck.com/advisories/praisonai-before-missing-webhook-signature-verification
Credits
🔍 rexpository