Improper Input Validation Affecting matrix-synapse package, versions [,1.127.1)
Threat Intelligence
Snyk has reported that there have been attempts or successful attacks targeting this vulnerability.
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- published28 Mar 2025
- disclosed27 Mar 2025
- creditUnknown
Introduced: 27 Mar 2025
NewCVE-2025-30355 (opens in a new tab)How to fix?
Upgrade matrix-synapse to version 1.127.1 or higher.
Overview
matrix-synapse is an ecosystem for open federated Instant Messaging and VoIP.
Affected versions of this package are vulnerable to Improper Input Validation. A malicious server can disrupt the normal operation and prevent the application from federating with other servers by crafting events that exploit this flaw.
Note:
This is only exploitable in environments where federation is enabled.