What is RHSA-2026:19189?

RHSA-2026:19189 is a security advisory published by Red Hat Product Security with Medium severity. Red Hat Security Advisory: python-tornado security update

Which CVE IDs does RHSA-2026:19189 cover?

RHSA-2026:19189 covers the following CVE IDs: CVE-2026-31958, CVE-2026-35536. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:19189?

RHSA-2026:19189 has a CVSS v3 base score of 5.4, published by Red Hat Product Security.

Which products are affected by RHSA-2026:19189?

RHSA-2026:19189 affects 14 products, including: Red Hat Enterprise Linux AppStream (v. 9); python-tornado-0:6.5.5-1.el9_8.src as a component of Red Hat Enterprise Linux AppStream (v. 9); python-tornado-debugsource-0:6.5.5-1.el9_8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9); python-tornado-debugsource-0:6.5.5-1.el9_8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9); python-tornado-debugsource-0:6.5.5-1.el9_8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9); and others — see the full list on the advisory page.

RHSA-2026:19189MediumCVSS 5.4

Red Hat Security Advisory: python-tornado security update

Vendor

Red Hat Product Security

Published

May 19, 2026

Last Modified

August 18, 2026

🔗 CVE IDs covered (2)

CVE-2026-31958 →CVE-2026-35536 →

📋 Description

CVE-2026-31958 — tornado-python: Tornado: Denial of Service via large multipart bodies CVE-2026-35536 — tornado: Tornado: Cookie attribute injection due to improper handling of cookie arguments

🎯 Affected products14

Red Hat Enterprise Linux AppStream (v. 9)
python-tornado-0:6.5.5-1.el9_8.src as a component of Red Hat Enterprise Linux AppStream (v. 9)
python-tornado-debugsource-0:6.5.5-1.el9_8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
python-tornado-debugsource-0:6.5.5-1.el9_8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
python-tornado-debugsource-0:6.5.5-1.el9_8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
python-tornado-debugsource-0:6.5.5-1.el9_8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
python3-tornado-0:6.5.5-1.el9_8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
python3-tornado-0:6.5.5-1.el9_8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
python3-tornado-0:6.5.5-1.el9_8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
python3-tornado-0:6.5.5-1.el9_8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
python3-tornado-debuginfo-0:6.5.5-1.el9_8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
python3-tornado-debuginfo-0:6.5.5-1.el9_8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
python3-tornado-debuginfo-0:6.5.5-1.el9_8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
python3-tornado-debuginfo-0:6.5.5-1.el9_8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

🔗 CVE IDs covered (2)

📋 Description

🎯 Affected products14

✅ Remediation

🔗 References (5)