PyPI/tornado CVE-2026-31958: high 7.5, EPSS 0.39%
Tornado is a Python web framework and asynchronous networking library. In versions of Tornado prior to 6.5.5, the only limit on the number of parts in multipart/form-data is the max_body_size setting
Action: Upgrade tornado to 6.5.5 or later.
pip install tornado==6.5.5Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 6.5.5 | - |
Fixed versions
| 6.5.5 |
Sources
- osv: PYSEC-2026-140
- https://lists.debian.org/debian-lts-announce/2026/04/msg00000.html
- https://github.com/tornadoweb/tornado/security/advisories/GHSA-qjxf-f2mg-c6mc
CVE-2026-31958 · published · modified · JSON