---
title: "CVE-2026-56835: PraisonAI - Authorization Bypass"
description: "PraisonAI 3.11.0 to <4.6.59 contains an authorization bypass caused by inconsistent enforcement of allowed_users, allowed_channels, and unknown_user_policy in Slack app_mention event handler, letting Slack workspace users trigger agents without proper permissions, exploit requires ability to mention the bot in a channel."
url: https://panop.io/threat-heartbeat/CVE-2026-56835/
---

# CVE-2026-56835 PraisonAI - Authorization Bypass

PraisonAI 3.11.0 to <4.6.59 contains an authorization bypass caused by inconsistent enforcement of allowed\_users, allowed\_channels, and unknown\_user\_policy in Slack app\_mention event handler, letting Slack workspace users trigger agents without proper permissions, exploit requires ability to mention the bot in a channel.

CVSS base score 8.3 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.37% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-56835)

## Details

Type

Authorization Bypass

Impact

Broken Access Control

CVSS vector

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

Published

23 October 2026

Updated

25 October 2026

Weakness

[CWE-862](https://cwe.mitre.org/data/definitions/862.html)

## Vendor fix

Upgrade 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-2026-56835](https://nvd.nist.gov/vuln/detail/CVE-2026-56835)
- [https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-qvpf-j64c-jmhr](https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-qvpf-j64c-jmhr)

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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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