CVE-2026-6019 Affecting python39-base package, versions <3.9.25-150300.4.106.1


Severity

Recommended
0.0
low
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.06% (19th percentile)

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  • Snyk IDSNYK-SLES155-PYTHON39BASE-16712374
  • published16 May 2026
  • disclosed12 May 2026

Introduced: 12 May 2026

NewCVE-2026-6019  (opens in a new tab)

How to fix?

Upgrade SLES:15.5 python39-base to version 3.9.25-150300.4.106.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python39-base package and not the python39-base package as distributed by SLES. See How to fix? for SLES:15.5 relevant fixed versions and status.

http.cookies.Morsel.js_output() returns an inline <script> snippet and only escapes " for JavaScript string context. It does not neutralize the HTML parser-sensitive sequence </script> inside the generated script element. Mitigation base64-encodes the cookie value to disallow escaping using cookie value.

CVSS Base Scores

version 3.1