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Security Advisories

CVE-2025-27936

Published

Last updated

NVD

https://nvd.nist.gov/vuln/detail/CVE-2025-27936

CGA ID

CGA-327w-59fp-r5wh

Severity

Unknown

Summary

Mattermost vulnerable to Observable Timing Discrepancy

Description

Mattermost Plugin MSTeams versions <2.1.0 and Mattermost Server versions 10.5.x <=10.5.1 with the MS Teams plugin enabled fail to perform constant time comparison on a MSTeams plugin webhook secret which allows an attacker to retrieve the webhook secret of the MSTeams plugin via a timing attack during webhook secret comparison.

References

  • https://images.chainguard.dev/security/CGA-327w-59fp-r5wh

Affected packages


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