CVE-2026-45078

high

Published 2026-05-14 · Modified 2026-05-14

CVSS v3

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CVSS v2

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VIR risk

8.0

Description

Synapse CPU starvation (Denial of Service)

Predictions

Exploit likelihood

20%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.

Package impact

Ecosystem	Package	Vulnerable	Fixed
PyPI	matrix-synapse	`<1.152.1`	`1.152.1`
PIP	matrix-synapse	`< 1.152.1`	`1.152.1`

References

Verify integrity in audit chain (admin only). AS-IS.