https://cve.radiocsirt.org Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Wed, 07 Oct 2026 19:41:50 +0000 https://cve.radiocsirt.org/vuln/euvd-2026-216049 EUVD-2026-216049 https://cve.radiocsirt.org/vuln/euvd-2026-216049 https://cve.radiocsirt.org/vuln/fkie_cve-2022-39374 <p>Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. If Synapse and a malicious homeserver are both joined to the same room, the malicious homeserver can trick Synapse into accepting previously rejected events into its view of the current state of that room. This can be exploited in a way that causes all further messages and state changes sent in that room from the vulnerable homeserver to be rejected. This issue has been patched in version 1.68.0</p> <p>Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. If Synapse and a malicious homeserver are both joined to the same room, the malicious homeserver can trick Synapse into accepting previously rejected events into its view of the current state of that room. This can be exploited in a way that causes all further messages and state changes sent in that room from the vulnerable homeserver to be rejected. This issue has been patched in version 1.68.0</p> https://cve.radiocsirt.org/vuln/fkie_cve-2022-39374 https://cve.radiocsirt.org/vuln/ghsa-p9qp-c452-f9r7 <p><strong>Affected:</strong> PyPI: matrix-synapse</p> <p>### Impact If Synapse and a malicious homeserver are both joined to the same room, the malicious homeserver can trick Synapse into accepting previously rejected events into its view of the current state of that room. This can be exploited in a way that causes all further messages and state changes sent in that room from the vulnerable homeserver to be rejected.</p> <p>Synapse homeservers are affected by this issue if and only if they are joined to rooms which members of untrusted homeservers are joined or invited to.</p> <p>- Synapse homeservers in rooms available over public federation **are** affected. - Synapse homeservers with federation disabled are not affected. - Synapse homeservers in a closed federation containing only trusted servers are not affected. - Synapse homeservers which are only joined to rooms with federation disabled[^1] are not affected.</p> <p>### Patches Administrators of homeservers with federation enabled are advised to upgrade to 1.68.0 or higher.</p> <p>### Workarounds * Federation can be disabled by setting [`federation_domain_whitelist`](https://matrix-org.github.io/synapse/latest/usage/configuration/config_documentation.html#federation_domain_whitelist) to an empty list (`[]`). from the vulnerable homeserver to be rejected. This issue has been patched in version 1.68.0</p> <p>### References - https://github.com/matrix-org/synapse/pull/13723</p> <p>[^1]: See `m.federate` in the [`m.room.create` definition](https://spec.matrix.org/v1.4/client-server-api/#mroomcreate).</p> <p>### For mo…</p> <p><strong>Affected:</strong> PyPI: matrix-synapse</p> <p>### Impact If Synapse and a malicious homeserver are both joined to the same room, the malicious homeserver can trick Synapse into accepting previously rejected events into its view of the current state of that room. This can be exploited in a way that causes all further messages and state changes sent in that room from the vulnerable homeserver to be rejected.</p> <p>Synapse homeservers are affected by this issue if and only if they are joined to rooms which members of untrusted homeservers are joined or invited to.</p> <p>- Synapse homeservers in rooms available over public federation **are** affected. - Synapse homeservers with federation disabled are not affected. - Synapse homeservers in a closed federation containing only trusted servers are not affected. - Synapse homeservers which are only joined to rooms with federation disabled[^1] are not affected.</p> <p>### Patches Administrators of homeservers with federation enabled are advised to upgrade to 1.68.0 or higher.</p> <p>### Workarounds * Federation can be disabled by setting [`federation_domain_whitelist`](https://matrix-org.github.io/synapse/latest/usage/configuration/config_documentation.html#federation_domain_whitelist) to an empty list (`[]`). from the vulnerable homeserver to be rejected. This issue has been patched in version 1.68.0</p> <p>### References - https://github.com/matrix-org/synapse/pull/13723</p> <p>[^1]: See `m.federate` in the [`m.room.create` definition](https://spec.matrix.org/v1.4/client-server-api/#mroomcreate).</p> <p>### For mo…</p> https://cve.radiocsirt.org/vuln/ghsa-p9qp-c452-f9r7 https://cve.radiocsirt.org/vuln/gsd-2022-39374 gsd-2022-39374 https://cve.radiocsirt.org/vuln/gsd-2022-39374 https://cve.radiocsirt.org/vuln/pysec-2023-66 <p><strong>Affected:</strong> PyPI: matrix-synapse</p> <p>Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. If Synapse and a malicious homeserver are both joined to the same room, the malicious homeserver can trick Synapse into accepting previously rejected events into its view of the current state of that room. This can be exploited in a way that causes all further messages and state changes sent in that room from the vulnerable homeserver to be rejected. This issue has been patched in version 1.68.0</p> <p><strong>Affected:</strong> PyPI: matrix-synapse</p> <p>Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. If Synapse and a malicious homeserver are both joined to the same room, the malicious homeserver can trick Synapse into accepting previously rejected events into its view of the current state of that room. This can be exploited in a way that causes all further messages and state changes sent in that room from the vulnerable homeserver to be rejected. This issue has been patched in version 1.68.0</p> https://cve.radiocsirt.org/vuln/pysec-2023-66 https://cve.radiocsirt.org/vuln/ubuntu-cve-2022-39374 <p><strong>Affected:</strong> Ubuntu:Pro:20.04:LTS: matrix-synapse, Ubuntu:Pro:22.04:LTS: matrix-synapse</p> <p>Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. If Synapse and a malicious homeserver are both joined to the same room, the malicious homeserver can trick Synapse into accepting previously rejected events into its view of the current state of that room. This can be exploited in a way that causes all further messages and state changes sent in that room from the vulnerable homeserver to be rejected. This issue has been patched in version 1.68.0</p> <p><strong>Affected:</strong> Ubuntu:Pro:20.04:LTS: matrix-synapse, Ubuntu:Pro:22.04:LTS: matrix-synapse</p> <p>Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. If Synapse and a malicious homeserver are both joined to the same room, the malicious homeserver can trick Synapse into accepting previously rejected events into its view of the current state of that room. This can be exploited in a way that causes all further messages and state changes sent in that room from the vulnerable homeserver to be rejected. This issue has been patched in version 1.68.0</p> https://cve.radiocsirt.org/vuln/ubuntu-cve-2022-39374