# CVE-2026-57122

## Summary

- **CVE ID:** CVE-2026-57122
- **Severity:** HIGH
- **CVSS Score:** 8.6 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L)
- **CWE:** CWE-345, CWE-347
- **Published:** Sep 14, 2026
- **Last Modified:** Sep 14, 2026

## Description

PraisonAI is a multi-agent teams system. Prior to 4.6.59, the WhatsApp and Linear bot webhook handlers verify HMAC signatures only when WHATSAPP_APP_SECRET or LINEAR_WEBHOOK_SECRET is configured and otherwise parse and dispatch unsigned request bodies. A remote unauthenticated client that reaches the webhook route can forge messages, comments, or agent-session events, impersonate platform users, influence agent prompts and actions, and disrupt bot processing. This issue is fixed in 4.6.59.

## Affected Products

- MervinPraison — PraisonAI (< 4.6.59)

## References

- [CNA](https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-x92v-rpx6-p6cw)
- [CNA](https://github.com/MervinPraison/PraisonAI/commit/2adfe7e8323f6deec66925cf15a885b6238895e9)
- [CNA](https://github.com/MervinPraison/PraisonAI/releases/tag/v4.6.59)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.13%
- **EPSS Percentile:** 3.0

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._