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Security Advisories

CVE-2025-20033

Published

Last updated

NVD

https://nvd.nist.gov/vuln/detail/CVE-2025-20033

CGA ID

CGA-76mj-7p39-24hg

Severity

4.3

Medium

CVSS V3

Summary

Mattermost Improper Validation of Specified Type of Input vulnerability

Description

Mattermost versions 10.2.0, 9.11.x <= 9.11.5, 10.0.x <= 10.0.3, 10.1.x <= 10.1.3 fail to properly validate post types, which allows attackers to deny service to users with the sysconsole_read_plugins permission via creating a post with the custom_pl_notification type and specific props.

References

  • https://images.chainguard.dev/security/CGA-76mj-7p39-24hg
  • https://github.com/advisories/GHSA-2549-xh72-qrpm
  • https://nvd.nist.gov/vuln/detail/CVE-2025-20033
  • https://github.com/mattermost/mattermost
  • https://mattermost.com/security-updates

Affected packages

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