Mattermost Plugin Legal Hold versions <=1.1.4 fail to halt request processing after a failed authorization check in ServeHTTP which allows an authenticated attacker to access, create, download, and delete legal hold data via crafted API requests to the plugin's endpoints. Mattermost Advisory ID: MMSA-2026-00621
Metrics
Affected Vendors & Products
References
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| https://mattermost.com/security-updates |
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History
Mon, 06 Apr 2026 14:15:00 +0000
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ssvc
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Mon, 06 Apr 2026 13:00:00 +0000
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| Description | Mattermost Plugin Legal Hold versions <=1.1.4 fail to halt request processing after a failed authorization check in ServeHTTP which allows an authenticated attacker to access, create, download, and delete legal hold data via crafted API requests to the plugin's endpoints. Mattermost Advisory ID: MMSA-2026-00621 | |
| Title | Authorization Bypass in Mattermost Legal Hold Plugin Due to Missing Return After Permission Check | |
| Weaknesses | CWE-862 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: Mattermost
Published:
Updated: 2026-04-06T13:52:32.798Z
Reserved: 2026-03-04T16:15:21.152Z
Link: CVE-2026-3524
Updated: 2026-04-06T13:52:23.480Z
Status : Received
Published: 2026-04-06T13:17:18.417
Modified: 2026-04-06T13:17:18.417
Link: CVE-2026-3524
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OpenCVE Enrichment
No data.