CVEDB API

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2025-9078

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

Exploit prediction scoring system (EPSS) score

EPSS Score 0.0

EPSS Ranking 3.4%

CVSS Severity

CVSS v3 Score 4.3

References

https://mattermost.com/security-updates

Products affected by CVE-2025-9078

Mattermost » Mattermost Server » Version: 10.10.0

cpe:2.3:a:mattermost:mattermost_server:10.10.0
Mattermost » Mattermost Server » Version: 10.5.0

cpe:2.3:a:mattermost:mattermost_server:10.5.0
Mattermost » Mattermost Server » Version: 10.5.1

cpe:2.3:a:mattermost:mattermost_server:10.5.1
Mattermost » Mattermost Server » Version: 10.5.2

cpe:2.3:a:mattermost:mattermost_server:10.5.2
Mattermost » Mattermost Server » Version: 10.5.3

cpe:2.3:a:mattermost:mattermost_server:10.5.3
Mattermost » Mattermost Server » Version: 10.5.4

cpe:2.3:a:mattermost:mattermost_server:10.5.4
Mattermost » Mattermost Server » Version: 10.5.5

cpe:2.3:a:mattermost:mattermost_server:10.5.5
Mattermost » Mattermost Server » Version: 10.5.6

cpe:2.3:a:mattermost:mattermost_server:10.5.6
Mattermost » Mattermost Server » Version: 10.5.7

cpe:2.3:a:mattermost:mattermost_server:10.5.7
Mattermost » Mattermost Server » Version: 10.5.8

cpe:2.3:a:mattermost:mattermost_server:10.5.8
Mattermost » Mattermost Server » Version: 10.8.0

cpe:2.3:a:mattermost:mattermost_server:10.8.0
Mattermost » Mattermost Server » Version: 10.8.1

cpe:2.3:a:mattermost:mattermost_server:10.8.1
Mattermost » Mattermost Server » Version: 10.8.2

cpe:2.3:a:mattermost:mattermost_server:10.8.2
Mattermost » Mattermost Server » Version: 10.8.3

cpe:2.3:a:mattermost:mattermost_server:10.8.3
Mattermost » Mattermost Server » Version: 10.9.0

cpe:2.3:a:mattermost:mattermost_server:10.9.0
Mattermost » Mattermost Server » Version: 10.9.1

cpe:2.3:a:mattermost:mattermost_server:10.9.1
Mattermost » Mattermost Server » Version: 10.9.2

cpe:2.3:a:mattermost:mattermost_server:10.9.2
Mattermost » Mattermost Server » Version: 10.9.3

cpe:2.3:a:mattermost:mattermost_server:10.9.3
Mattermost » Mattermost Server » Version: 9.11.0

cpe:2.3:a:mattermost:mattermost_server:9.11.0
Mattermost » Mattermost Server » Version: 9.11.1

cpe:2.3:a:mattermost:mattermost_server:9.11.1
Mattermost » Mattermost Server » Version: 9.11.10

cpe:2.3:a:mattermost:mattermost_server:9.11.10
Mattermost » Mattermost Server » Version: 9.11.11

cpe:2.3:a:mattermost:mattermost_server:9.11.11
Mattermost » Mattermost Server » Version: 9.11.12

cpe:2.3:a:mattermost:mattermost_server:9.11.12
Mattermost » Mattermost Server » Version: 9.11.13

cpe:2.3:a:mattermost:mattermost_server:9.11.13
Mattermost » Mattermost Server » Version: 9.11.14

cpe:2.3:a:mattermost:mattermost_server:9.11.14
Mattermost » Mattermost Server » Version: 9.11.15

cpe:2.3:a:mattermost:mattermost_server:9.11.15
Mattermost » Mattermost Server » Version: 9.11.16

cpe:2.3:a:mattermost:mattermost_server:9.11.16
Mattermost » Mattermost Server » Version: 9.11.17

cpe:2.3:a:mattermost:mattermost_server:9.11.17
Mattermost » Mattermost Server » Version: 9.11.2

cpe:2.3:a:mattermost:mattermost_server:9.11.2
Mattermost » Mattermost Server » Version: 9.11.3

cpe:2.3:a:mattermost:mattermost_server:9.11.3
Mattermost » Mattermost Server » Version: 9.11.4

cpe:2.3:a:mattermost:mattermost_server:9.11.4
Mattermost » Mattermost Server » Version: 9.11.5

cpe:2.3:a:mattermost:mattermost_server:9.11.5
Mattermost » Mattermost Server » Version: 9.11.6

cpe:2.3:a:mattermost:mattermost_server:9.11.6
Mattermost » Mattermost Server » Version: 9.11.7

cpe:2.3:a:mattermost:mattermost_server:9.11.7
Mattermost » Mattermost Server » Version: 9.11.8

cpe:2.3:a:mattermost:mattermost_server:9.11.8
Mattermost » Mattermost Server » Version: 9.11.9

cpe:2.3:a:mattermost:mattermost_server:9.11.9

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2025-9078

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