Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17, 10.10.x <= 10.10.1, 10.9.x <= 10.9.3 fail to properly validate cache keys for link metadata which allows authenticated users to access unauthorized posts and poison link previews via hash collision attacks on FNV-1 hashing
Metrics
Affected Vendors & Products
References
Link | Providers |
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https://mattermost.com/security-updates |
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History
Wed, 17 Sep 2025 11:00:00 +0000
Type | Values Removed | Values Added |
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First Time appeared |
Mattermost mattermost
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Vendors & Products |
Mattermost mattermost
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Tue, 16 Sep 2025 16:00:00 +0000
Type | Values Removed | Values Added |
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First Time appeared |
Mattermost
Mattermost mattermost Server |
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CPEs | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | |
Vendors & Products |
Mattermost
Mattermost mattermost Server |
Mon, 15 Sep 2025 14:15:00 +0000
Type | Values Removed | Values Added |
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Metrics |
ssvc
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Mon, 15 Sep 2025 10:15:00 +0000
Type | Values Removed | Values Added |
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Description | Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17, 10.10.x <= 10.10.1, 10.9.x <= 10.9.3 fail to properly validate cache keys for link metadata which allows authenticated users to access unauthorized posts and poison link previews via hash collision attacks on FNV-1 hashing | |
Title | Weak cache keys lead to post IDOR and link preview poisoning | |
Weaknesses | CWE-328 | |
References |
| |
Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: Mattermost
Published: 2025-09-15T10:10:06.886Z
Updated: 2025-09-15T13:57:49.086Z
Reserved: 2025-08-15T15:34:54.442Z
Link: CVE-2025-9078

Updated: 2025-09-15T13:53:39.946Z

Status : Analyzed
Published: 2025-09-15T10:15:32.627
Modified: 2025-09-16T15:58:12.830
Link: CVE-2025-9078

No data.