Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
Affects Red Hat cpythonSource GCVE Database
Not known to be exploited · CVSS 2.1 Low : upgrade Red Hat cpython to 3.14.5 or 3.13.14 when convenient.
Data as of 29 Oct 2026, 19:04 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 11% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 3.14.5, 3.13.14
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 22 Apr 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
Upgrade python to 3.14.5 or 3.13.14.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
PyPIcpythonpkg:pypi/cpythonOther threats | Affected
| Fixed in– |
Bitnamipythonpkg:bitnami/pythonOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Red Hat has not provided an official fix that meets their criteria for deployment and stability at this time. No effective mitigation is currently available that is easy to deploy or broadly applicable. Customers with a Red Hat Technical Account Manager (TAM) can seek direct guidance.
Description
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.
References
- access.redhat.com/errata/RHSA-2026:33885 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-6019 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- images.redhat.com (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_33885.json (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:32980 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_32980.json (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:22952 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_22952.json (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:32997 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_32997.json (opens in a new tab)
- ubuntu.com/security/CVE-2026-6019 (opens in a new tab)
- cve.org/CVERecord?id=CVE-2026-6019 (opens in a new tab)
- mail.python.org/archives/list/security-announce@python.org/thread/IVNWGV2BBNC3RHQAFS22UP4DY56SAXX3/ (opens in a new tab)
- ubuntu.com/security/notices/USN-8509-1 (opens in a new tab)
- github.com/python/cpython/commit/3c59b8b53fc75c7f9578d16fb8201ceb43e8f76c (opens in a new tab)
- github.com/python/cpython/commit/76b3923d688c0efc580658476c5f525ec8735104 (opens in a new tab)
- github.com/python/cpython/commit/f795e042043dfe26c42e1971d4502c1cdc4c65b8 (opens in a new tab)
- github.com/python/cpython/issues/90309 (opens in a new tab)
- github.com/python/cpython/pull/148848 (opens in a new tab)
- nvd.nist.gov/vuln/detail/CVE-2026-6019 (opens in a new tab)