Improper Encoding or Escaping of Output Affecting python-3.12-base-dev package, versions *


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.23% (14th percentile)

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  • Snyk IDSNYK-MINIMOSLATEST-PYTHON312BASEDEV-17229868
  • published8 Jun 2026
  • disclosed22 Apr 2026

Introduced: 22 Apr 2026

CVE-2026-6019  (opens in a new tab)
CWE-116  (opens in a new tab)

How to fix?

There is no fixed version for Minimos:latest python-3.12-base-dev.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python-3.12-base-dev package and not the python-3.12-base-dev package as distributed by Minimos. See How to fix? for Minimos:latest 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