PyPI/matrix-synapse CVE-2021-41281: high 7.5, EPSS 1.58%

Path traversal in Matrix Synapse

Action: Upgrade matrix-synapse to 1.47.1 or later.

pip install matrix-synapse==1.47.1

Affected

Fixed versions

Sources

• osv: GHSA-3hfw-x7gx-437c
• https://github.com/matrix-org/synapse/security/advisories/GHSA-3hfw-x7gx-437c
• https://nvd.nist.gov/vuln/detail/CVE-2021-41281
• https://github.com/matrix-org/synapse/commit/91f2bd090
• https://github.com/matrix-org/synapse
• https://github.com/matrix-org/synapse/releases/tag/v1.47.1
• https://github.com/pypa/advisory-database/tree/main/vulns/matrix-synapse/PYSEC-2021-436.yaml
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EU7QRE55U4IUEDLKT5IYPWL3UXMELFAS
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/N3WY56LCEZ4ZECLWV5KMAXF2PSMUB4F2

CVE-2021-41281 · published 2021-11-23T21:58:56Z · modified 2026-07-08T06:28:00.355576319Z · JSON