CVE-2026-2462

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Source
https://cve.org/CVERecord?id=CVE-2026-2462
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-2462.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-2462
Published
2026-03-16T14:19:30.010Z
Modified
2026-04-10T05:39:28.551612Z
Severity
  • 6.6 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L CVSS Calculator
Summary
[none]
Details

Mattermost versions 11.3.x <= 11.3.0, 11.2.x <= 11.2.2, 10.11.x <= 10.11.10 fail to restrict plugin installation on CI test instances with default admin credentials which allows an unauthenticated attacker to achieve remote code execution and exfiltrate sensitive configuration data including AWS and SMTP credentials via uploading a malicious plugin after changing the import directory. Mattermost Advisory ID: MMSA-2025-00528

References

Affected packages

Git / github.com/mattermost/mattermost-server

Affected ranges

Type
GIT
Repo
https://github.com/mattermost/mattermost-server
Events
Introduced
5b955468ea1ea8b56c0fb10feb258a36a767d7bb
Fixed
fddd4a70bcb32eaff394a2fa5399efcd1b2ae251
Introduced
ab7b138824c61fe1fe815243d7e2a914dec49c8b
Fixed
005521aa79666e6960bc3302f6172b810f6bff3a
Introduced
d27a2195068ddfa3ce17cf470f9739e4edb94b83
Fixed
4082c3dcf285e4d1a386d2ef37f14f39dc5a0094
Database specific 
{
    "versions": [
        {
            "introduced": "10.11.0"
        },
        {
            "fixed": "10.11.11"
        },
        {
            "introduced": "11.2.0"
        },
        {
            "fixed": "11.2.3"
        },
        {
            "introduced": "11.3.0"
        },
        {
            "fixed": "11.3.1"
        }
    ]
}

Affected versions

@mattermost/client@10.*
@mattermost/client@10.11.0
@mattermost/client@11.*
@mattermost/client@11.3.0
@mattermost/types@10.*
@mattermost/types@10.11.0
@mattermost/types@11.*
@mattermost/types@11.3.0
mattermost-redux@10.*
mattermost-redux@10.11.0
mattermost-redux@11.*
mattermost-redux@11.3.0
v10.*
v10.11.0
v10.11.0-rc3
v10.11.1
v10.11.1-rc1
v10.11.10
v10.11.11-rc1
v10.11.2
v10.11.2-rc1
v10.11.2-rc2
v10.11.3
v10.11.4
v10.11.4-rc1
v10.11.4-rc2
v10.11.4-rc3
v10.11.5
v10.11.6
v10.11.7
v10.11.8
v10.11.9
v10.11.9-rc1
v11.*
v11.2.0
v11.2.1
v11.2.1-rc1
v11.2.2
v11.3.0
v11.3.0-rc3
v11.3.0-rc4
v11.3.1-rc1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-2462.json"