CVEDB API

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-10600

Mattermost versions 11.8.x <= 11.8.0, 11.7.x <= 11.7.3, 11.6.x <= 11.6.5, 10.11.x <= 10.11.20 fail to bound the time and resource consumption of server-side document content extraction which allows an authenticated user with file-upload permission to degrade file uploads for all users on the server via repeatedly uploading small documents that are cheap to upload but expensive to extract, saturating the shared extraction worker pool.. Mattermost Advisory ID: MMSA-2026-00694

Exploit prediction scoring system (EPSS) score

EPSS Score 0.002

EPSS Ranking 11.6%

CVSS Severity

CVSS v3 Score 4.3

References

https://mattermost.com/security-updates

Products affected by CVE-2026-10600

Mattermost » Mattermost Server » Version: 10.11.0

cpe:2.3:a:mattermost:mattermost_server:10.11.0
Mattermost » Mattermost Server » Version: 10.11.1

cpe:2.3:a:mattermost:mattermost_server:10.11.1
Mattermost » Mattermost Server » Version: 10.11.10

cpe:2.3:a:mattermost:mattermost_server:10.11.10
Mattermost » Mattermost Server » Version: 10.11.11

cpe:2.3:a:mattermost:mattermost_server:10.11.11
Mattermost » Mattermost Server » Version: 10.11.12

cpe:2.3:a:mattermost:mattermost_server:10.11.12
Mattermost » Mattermost Server » Version: 10.11.13

cpe:2.3:a:mattermost:mattermost_server:10.11.13
Mattermost » Mattermost Server » Version: 10.11.14

cpe:2.3:a:mattermost:mattermost_server:10.11.14
Mattermost » Mattermost Server » Version: 10.11.15

cpe:2.3:a:mattermost:mattermost_server:10.11.15
Mattermost » Mattermost Server » Version: 10.11.16

cpe:2.3:a:mattermost:mattermost_server:10.11.16
Mattermost » Mattermost Server » Version: 10.11.17

cpe:2.3:a:mattermost:mattermost_server:10.11.17
Mattermost » Mattermost Server » Version: 10.11.18

cpe:2.3:a:mattermost:mattermost_server:10.11.18
Mattermost » Mattermost Server » Version: 10.11.19

cpe:2.3:a:mattermost:mattermost_server:10.11.19
Mattermost » Mattermost Server » Version: 10.11.2

cpe:2.3:a:mattermost:mattermost_server:10.11.2
Mattermost » Mattermost Server » Version: 10.11.20

cpe:2.3:a:mattermost:mattermost_server:10.11.20
Mattermost » Mattermost Server » Version: 10.11.3

cpe:2.3:a:mattermost:mattermost_server:10.11.3
Mattermost » Mattermost Server » Version: 10.11.4

cpe:2.3:a:mattermost:mattermost_server:10.11.4
Mattermost » Mattermost Server » Version: 10.11.5

cpe:2.3:a:mattermost:mattermost_server:10.11.5
Mattermost » Mattermost Server » Version: 10.11.6

cpe:2.3:a:mattermost:mattermost_server:10.11.6
Mattermost » Mattermost Server » Version: 10.11.7

cpe:2.3:a:mattermost:mattermost_server:10.11.7
Mattermost » Mattermost Server » Version: 10.11.8

cpe:2.3:a:mattermost:mattermost_server:10.11.8
Mattermost » Mattermost Server » Version: 10.11.9

cpe:2.3:a:mattermost:mattermost_server:10.11.9
Mattermost » Mattermost Server » Version: 11.6.0

cpe:2.3:a:mattermost:mattermost_server:11.6.0
Mattermost » Mattermost Server » Version: 11.6.1

cpe:2.3:a:mattermost:mattermost_server:11.6.1
Mattermost » Mattermost Server » Version: 11.6.2

cpe:2.3:a:mattermost:mattermost_server:11.6.2
Mattermost » Mattermost Server » Version: 11.6.3

cpe:2.3:a:mattermost:mattermost_server:11.6.3
Mattermost » Mattermost Server » Version: 11.6.4

cpe:2.3:a:mattermost:mattermost_server:11.6.4
Mattermost » Mattermost Server » Version: 11.6.5

cpe:2.3:a:mattermost:mattermost_server:11.6.5
Mattermost » Mattermost Server » Version: 11.8.0

cpe:2.3:a:mattermost:mattermost_server:11.8.0

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-10600

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