Vulnerability Database · PyPI · matrix-synapse · Version
matrix-synapse 1.158.0rc1
1.158.0rc1 is affected by 5 vulnerabilities.
The vulnerabilities that cover this exact version are listed below with the fixed version to move to. The upgrade Vulert recommends: 1.163.0.
Critical 0 High 0 Medium 0 Low 0 Unrated 5
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Released 30 Jul 2026
Licence non-standard
Also known from other sources 0
Newer releases 300
Database updated 23/Oct/2026
Release and licence data published by PyPI. Licence information is not legal advice.
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01 Vulnerabilities affecting this version
matrix-synapse 1.158.0rc1 vulnerabilities
5 vulnerabilities cover matrix-synapse 1.158.0rc1. Open the full list in the database.
| Vulnerability | Severity | Fixed version | Disclosed |
|---|---|---|---|
| CVE-2024-31208: Denial of Service Vulnerability in matrix-synapse | N/A unrated | 55b0aa847a61774b6a3acdc4b177a20dc019f01a | 23 Apr 2024 |
| CVE-2021-41281: Arbitrary File Download in matrix-synapse | N/A unrated | 91f2bd090 | 23 Nov 2021 |
| CVE-2021-29471: Denial-of-Service Vulnerability in matrix-synapse | N/A unrated | 03318a766cac9f8b053db2214d9c332a977d226c | 11 May 2021 |
| CVE-2021-21273: Open Redirect in matrix-synapse | N/A unrated | 30fba6210834a4ecd91badf0c8f3eb278b72e746 | 26 Feb 2021 |
| CVE-2020-26257: Matrix Synapse - Malformed Events Injection | N/A unrated | 3ce2f303f15f6ac3dc352298972dc6e04d9b7a8b | 09 Dec 2020 |
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Questions
About matrix-synapse 1.158.0rc1
Is matrix-synapse 1.158.0rc1 vulnerable?
Yes. 5 vulnerabilities in the Vulert database cover matrix-synapse 1.158.0rc1: 0 critical, 0 high, 0 medium and 0 low, plus 5 not yet rated. The upgrade Vulert recommends is 1.163.0, and each entry above names the fixed version to move to.
Which version of matrix-synapse should I use instead of 1.158.0rc1?
1.163.0 is the version Vulert recommends for this release line. The version table on the package page lists every release with the vulnerabilities recorded against it.
Is 1.158.0rc1 the latest release of matrix-synapse?
No. 1.158.0rc1 was published 30 Jul 2026, and newer releases exist. Newer is not automatically safer — the version table on the package page shows what each release carries.
How do I monitor matrix-synapse for upcoming vulnerabilities?
Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the matrix-synapse version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.