PT-2026-60139 · Mervinpraison · Praisonai

Rexpository · Published 2026-07-15 · Updated 2026-07-15 · CVE-2026-61436

Mitre

CVSS v3.1

8.6

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L

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.

Exploit

Fix

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

CVE-2026-61436

Affected Products

Praisonai

References · 5

• 🔥 https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-7c92-x8vg-4258 · Exploit
• https://github.com/MervinPraison/PraisonAI/commit/2a855c470077c7d2e2479a575f7ef7f548d51c33 · Patch
• https://github.com/MervinPraison/PraisonAI/commit/846568c7a5d8ce9e71e56e4c213f027c04909753 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-61436 · Security Note
• https://vulncheck.com/advisories/praisonai-before-missing-webhook-signature-verification · Note