PyPI/matrix-synapse CVE-2026-45078: medium 5.5, EPSS 0.13%
Synapse CPU starvation (Denial of Service)
Action: Upgrade matrix-synapse to 1.152.1 or later.
pip install matrix-synapse==1.152.1Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.152.1 | - |
Fixed versions
| 1.152.1 |
Sources
- osv: GHSA-8q93-326v-3m7g
- https://github.com/element-hq/synapse/security/advisories/GHSA-8q93-326v-3m7g
- https://nvd.nist.gov/vuln/detail/CVE-2026-45078
- https://github.com/element-hq/synapse/issues/19394
- https://github.com/element-hq/synapse/commit/3f58bc50dfba5768ee43ce48c5e74c25ba0b078a
- https://github.com/element-hq/synapse
- https://github.com/pypa/advisory-database/tree/main/vulns/matrix-synapse/PYSEC-2026-191.yaml
CVE-2026-45078 · published · modified · JSON