MEDIUM 4.3 NVD

CVE-2026-13411

Mattermost versions 11.7.x <= 11.7.11 fail to validate null elements when decoding playbook import conditions which allows an authenticated attacker to crash th

Mattermost versions 11.7.x <= 11.7.11 fail to validate null elements when decoding playbook import conditions which allows an authenticated attacker to crash the Playbooks plugin instance-wide via a crafted import request containing a null condition. Mattermost Advisory ID: MMSA-2026-00709

References

https://mattermost.com/security-updates

Published: 2026-10-22 · Source: NVD · Feed updated: 2026-10-22

This medium severity vulnerability with a CVSS score of 4.3 was published on 2026-10-22 via NVD.

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