GHSA-9p92-x77w-9fw2
Suggest an improvement- Source
- https://github.com/advisories/GHSA-9p92-x77w-9fw2
- Import Source
- https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/09/GHSA-9p92-x77w-9fw2/GHSA-9p92-x77w-9fw2.json
- JSON Data
- https://api.osv.dev/v1/vulns/GHSA-9p92-x77w-9fw2
- Aliases
- Published
- 2025-09-15T12:31:25Z
- Modified
- 2025-09-17T17:42:10.713067Z
- Severity
-
- 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N CVSS Calculator
- Summary
- Mattermost makes Use of Weak Hash
- Details
-
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.
- Database specific
{ "github_reviewed": true, "cwe_ids": [ "CWE-328" ], "severity": "MODERATE", "github_reviewed_at": "2025-09-16T19:13:08Z", "nvd_published_at": "2025-09-15T10:15:32Z" }- References
-
- https://nvd.nist.gov/vuln/detail/CVE-2025-9078
- https://github.com/mattermost/mattermost/commit/356880c8430b77a4a390c89d5a33f6928188d137
- https://github.com/mattermost/mattermost/commit/944ad5cdd9876ef61c78c8275906262a4118755a
- https://github.com/mattermost/mattermost/commit/a8a4badc130be101e5bc4b7916bbcd2f966c4b79
- https://github.com/mattermost/mattermost/commit/cd87e5c877373f109742aa90a3fa136c14774325
- https://github.com/mattermost/mattermost
- https://mattermost.com/security-updates
Affected packages
Go
github.com/mattermost/mattermost-server
Package
- Name
- github.com/mattermost/mattermost-server
- View open source insights on deps.dev
- Purl
- pkg:golang/github.com/mattermost/mattermost-server
github.com/mattermost/mattermost-server
Package
- Name
- github.com/mattermost/mattermost-server
- View open source insights on deps.dev
- Purl
- pkg:golang/github.com/mattermost/mattermost-server
github.com/mattermost/mattermost-server
Package
- Name
- github.com/mattermost/mattermost-server
- View open source insights on deps.dev
- Purl
- pkg:golang/github.com/mattermost/mattermost-server
github.com/mattermost/mattermost-server
Package
- Name
- github.com/mattermost/mattermost-server
- View open source insights on deps.dev
- Purl
- pkg:golang/github.com/mattermost/mattermost-server
github.com/mattermost/mattermost-server
Package
- Name
- github.com/mattermost/mattermost-server
- View open source insights on deps.dev
- Purl
- pkg:golang/github.com/mattermost/mattermost-server
github.com/mattermost/mattermost/server/v8
Package
- Name
- github.com/mattermost/mattermost/server/v8
- View open source insights on deps.dev
- Purl
- pkg:golang/github.com/mattermost/mattermost/server/v8