Description

Synapse is an open source Matrix homeserver implementation. A malicious server can craft events which, when received, prevent Synapse version up to 1.127.0 from federating with other servers. The vulnerability has been exploited in the wild and has been fixed in Synapse v1.127.1. No known workarounds are available.

INFO

Published Date :

2025-03-27T00:59:27.996Z

Last Modified :

2025-03-27T13:47:50.179Z

Source :

GitHub_M
AFFECTED PRODUCTS

The following products are affected by CVE-2025-30355 vulnerability.

Vendors Products
Element-hq
  • Synapse
Matrix
  • Synapse
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-30355.

URL Resource
https://github.com/element-hq/synapse/commit/2277df2a1eb685f85040ef98fa21d41aa4cdd389 cve-icon cve-icon
https://github.com/element-hq/synapse/releases/tag/v1.127.1 cve-icon cve-icon
https://github.com/element-hq/synapse/security/advisories/GHSA-v56r-hwv5-mxg6 cve-icon cve-icon
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