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Security Advisories

CVE-2025-20086

Published

Last updated

NVD

https://nvd.nist.gov/vuln/detail/CVE-2025-20086

CGA ID

CGA-xpw8-pqpp-7c8p

Severity

6.5

Medium

CVSS V3

Summary

Mattermost fails to properly validate post props

Description

Mattermost versions 10.2.x <= 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 props which allows a malicious authenticated user to cause a crash via a malicious post.

References

  • https://images.chainguard.dev/security/CGA-xpw8-pqpp-7c8p
  • https://github.com/advisories/GHSA-5m7j-6gc4-ff5g
  • https://nvd.nist.gov/vuln/detail/CVE-2025-20086
  • https://github.com/mattermost/mattermost
  • https://mattermost.com/security-updates
  • https://pkg.go.dev/vuln/GO-2025-3392

Affected packages

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