Is matrix-synapse affected by CVE-2024-52815?

PyPI matrix-synapse is affected in <1.120.1.

Is CVE-2024-52815 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.5%.

high

CVE-2024-52815

Q: Is CVE-2024-52815 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.5%.

PyPI · matrix-synapse

Summary

Synapse allows a a malformed invite to break the invitee's `/sync`

Severity: high
EPSS: 0.5% (p41)
Also known as: GHSA-f3r3-h2mq-hx2h
Published: 2024-12-03

References

https://github.com/element-hq/synapse/security/advisories/GHSA-f3r3-h2mq-hx2h
https://nvd.nist.gov/vuln/detail/CVE-2024-52815
https://github.com/element-hq/synapse

Related advisories

CVE-2025-30355 — high · PyPI/matrix-synapse
CVE-2024-53863 — high · PyPI/matrix-synapse
CVE-2024-52805 — high · PyPI/matrix-synapse
CVE-2024-37302 — high · PyPI/matrix-synapse
CVE-2026-45078 — medium · PyPI/matrix-synapse
CVE-2026-45076 — medium · PyPI/matrix-synapse
CVE-2025-61672 — medium · PyPI/matrix-synapse
CVE-2024-53867 — medium · PyPI/matrix-synapse

Is your project exposed to this? Stateward checks every dependency on every pull request and flags it only if your code actually reaches it.

Check my repo

Summarize with AI

ChatGPT Claude Perplexity

Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.