What’s Vulnerable › Vulnerabilities

CVE-2022-1333: A specifically drafted Playbook could trigger large amount of webhook requests leading to Denial of Service

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-04-13 · updated 2026-06-17
• Weakness: CWE-770

Description

Mattermost Playbooks plugin v1.24.0 and earlier fails to properly check the limit on the number of webhooks, which allows authenticated and authorized users to create a specifically drafted Playbook which could trigger a large amount of webhook requests leading to Denial of Service.

Affected products

• Mattermost Playbooks: through 1.24.0

References

• https://mattermost.com/security-updates/
• https://mattermost.com/security-updates/

Get alerted when CVE-2022-1333 or the next vulnerability affects your stack