CVE-2026-31958
Description
Moderate: python-tornado security update
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: alma — https://errata.almalinux.org/9/ALSA-2026-19189.html
Vendor advisory: alma — https://errata.almalinux.org/9/ALSA-2026-13670.html
Vendor advisory: alma — https://bugzilla.redhat.com/2454716
Vendor advisory: alma — https://errata.almalinux.org/8/ALSA-2026-8093.html
Vendor advisory: alma — https://bugzilla.redhat.com/2446765
Vendor advisory: alma — https://access.redhat.com/errata/RHSA-2026:8093
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2026-31958
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2026-31958.html
Vendor advisory: redhat — https://access.redhat.com/errata/RHSA-2026:19189
Vendor advisory: redhat — https://access.redhat.com/errata/RHSA-2026:13670
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| rhel | 9 | fixed | |
| sles | affected | | |
| debian | bookworm | affected | |
| debian | bullseye | fixed | 6.1.0-1+deb11u4 |
| debian | forky | fixed | 6.5.5-1 |
| debian | sid | fixed | 6.5.5-1 |
| debian | trixie | affected | |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| PyPI | tornado | <6.5.5 | 6.5.5 |
References
- https://access.redhat.com/errata/RHSA-2026:13670
- https://access.redhat.com/errata/RHSA-2026:19189
- https://github.com/tornadoweb/tornado/security/advisories/GHSA-qjxf-f2mg-c6mc
- https://nvd.nist.gov/vuln/detail/CVE-2026-31958
- https://github.com/tornadoweb/tornado/commit/119a195e290c43ad2d63a2cf012c29d43d6ed839
- https://github.com/tornadoweb/tornado
- https://github.com/tornadoweb/tornado/releases/tag/v6.5.5
- https://lists.debian.org/debian-lts-announce/2026/04/msg00000.html
- https://www.suse.com/security/cve/CVE-2026-31958.html
- https://security-tracker.debian.org/tracker/CVE-2026-31958
- https://access.redhat.com/errata/RHSA-2026:8093
- https://bugzilla.redhat.com/2446765
- https://errata.almalinux.org/8/ALSA-2026-8093.html
- https://bugzilla.redhat.com/2454716
- https://errata.almalinux.org/9/ALSA-2026-13670.html
- https://errata.almalinux.org/9/ALSA-2026-19189.html
Verify integrity in audit chain (admin only). AS-IS.