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Description

Mattermost Confluence Plugin version <1.5.0 fails to handle unexpected request body which allows attackers to crash the plugin via constant hit to update channel subscription endpoint with an invalid request body.

PUBLISHED Reserved 2025-07-28 | Published 2025-08-11 | Updated 2025-08-11 | Assigner Mattermost




HIGH: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem types

CWE-754: Improper Check for Unusual or Exceptional Conditions

Product status

Default status
unaffected

Any version before 1.5.0
affected

1.5.0
unaffected

Credits

Lorenzo Gallegos finder

References

mattermost.com/security-updates

cve.org (CVE-2025-52931)

nvd.nist.gov (CVE-2025-52931)

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