---
title: "CVE-2026-57122: PraisonAI - Authentication Bypass"
description: "PraisonAI < 4.6.59 contains a broken authentication caused by missing HMAC signature verification in WhatsApp and Linear bot webhook handlers, letting remote unauthenticated clients forge messages and disrupt bot processing, exploit requires access to webhook route."
url: https://panop.io/threat-heartbeat/CVE-2026-57122/
---

# CVE-2026-57122 PraisonAI - Authentication Bypass

PraisonAI < 4.6.59 contains a broken authentication caused by missing HMAC signature verification in WhatsApp and Linear bot webhook handlers, letting remote unauthenticated clients forge messages and disrupt bot processing, exploit requires access to webhook route.

CVSS base score 8.6 /10

High

CISA KEV

Not listed

Public exploit

None known

EPSS

0.19% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-57122)

## Details

Type

Authentication Bypass

Impact

Broken Authentication

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L

Published

14 September 2026

Updated

15 October 2026

Weakness

[CWE-345](https://cwe.mitre.org/data/definitions/345.html)

## Vendor fix

Update to version 4.6.59 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-57122](https://nvd.nist.gov/vuln/detail/CVE-2026-57122)
- [https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-x92v-rpx6-p6cw](https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-x92v-rpx6-p6cw)
- [https://github.com/MervinPraison/PraisonAI/commit/2adfe7e8323f6deec66925cf15a885b6238895e9](https://github.com/MervinPraison/PraisonAI/commit/2adfe7e8323f6deec66925cf15a885b6238895e9)
- [https://github.com/MervinPraison/PraisonAI/releases/tag/v4.6.59](https://github.com/MervinPraison/PraisonAI/releases/tag/v4.6.59)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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