Ghostwire

CVE-2026-49854: Tornado has out-of-bounds memory access via C extension

LOW CVSS 3.7 EPSS 0.04% Exploit Available

Published: June 12, 2026 | Last Modified: June 12, 2026

Description

Tornado has out-of-bounds memory access via C extension

Ghostwire Analysis — What This Means Practically

Exploitation Probability (EPSS): Low — 0.04% (11th percentile)

Low exploitation probability based on current threat landscape data. Standard patching timeline is appropriate.

Exploit code is reported to be available, increasing the likelihood of active exploitation.

This analysis is generated by Ghostwire from NVD, CISA KEV, EPSS, and open-source intelligence data. Verify findings through primary sources before acting.

References

github.com/tornadoweb/tornado/security/advisories/GHSA-cx3h-4qpv-8hc9
github.com/tornadoweb/tornado/releases/tag/v6.5.6
github.com/advisories/GHSA-cx3h-4qpv-8hc9
www.tenable.com/cve/CVE-2026-49854
www.cnnvd.org.cn/home/globalSearch?keyword=CVE-2026-49854
nvd.nist.gov/vuln/detail/CVE-2026-49854