CVE-2026-13411

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Source

https://cve.org/CVERecord?id=CVE-2026-13411

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-13411.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-13411

Published

2026-10-22T10:46:05Z

Modified

2026-11-04T02:48:17Z

Severity

4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L CVSS Calculator

Summary

Null condition in Playbooks import crashes the plugin

Details

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

Database specific

{
    "cna_assigner": "Mattermost",
    "cwe_ids": [
        "CWE-754"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/13xxx/CVE-2026-13411.json",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "range": [
                        {
                            "introduced": "11.7.0"
                        },
                        {
                            "last_affected": "11.7.11"
                        }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                }
            ]
        }
    ]
}

References

Affected packages

Git / github.com/mattermost/mattermost

Affected ranges

Type

GIT

Repo

https://github.com/mattermost/mattermost

Events

Introduced

a9e574a82633915f22071f0d7ca2b006f249ec2a

Fixed

cfd96852253e982d4a8f4984e346740fdc1b102a

Database specific

Show details

{
    "extracted_events": [
        {
            "cpe": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
            "range": [
                {
                    "introduced": "11.7.0"
                },
                {
                    "fixed": "11.7.12"
                }
            ],
            "source": "CPE_RANGE"
        }
    ]
}

Affected versions

@mattermost/client@11.*

@mattermost/client@11.7.0

@mattermost/shared@11.*

@mattermost/shared@11.7.0

@mattermost/types@11.*

@mattermost/types@11.7.0

mattermost-redux@11.*

mattermost-redux@11.7.0

v11.*

v11.7.0

v11.7.1

v11.7.10

v11.7.11

v11.7.11-rc1

v11.7.12-rc1

v11.7.2

v11.7.3

v11.7.4

v11.7.5

v11.7.5-rc1

v11.7.6

v11.7.7

v11.7.8

v11.7.9

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-13411.json"