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cpython: Header injection in http.cookies.Morsel in Python

🗓️ 19 May 2026 18:28:12Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 25 Views

Injection in Python http.cookies.Morsel via cookie values; control characters blocked.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2026-0672
20 Jan 202621:52
–attackerkb
ATTACKERKB		CVE-2026-3644
16 Mar 202617:37
–attackerkb
Tenable Nessus		Amazon Linux 2023 : python3.13, python3.13-devel, python3.13-freethreading (ALAS2023-2026-1437)
19 Feb 202600:00
–nessus
Tenable Nessus		Amazon Linux 2023 : python3.12, python3.12-devel, python3.12-idle (ALAS2023-2026-1444)
19 Feb 202600:00
–nessus
Tenable Nessus		Amazon Linux 2023 : python3.11, python3.11-devel, python3.11-idle (ALAS2023-2026-1447)
6 Mar 202600:00
–nessus
Tenable Nessus		Amazon Linux 2023 : python3, python3-devel, python3-idle (ALAS2023-2026-1583)
13 Apr 202600:00
–nessus
Tenable Nessus		Amazon Linux 2023 : python3.13, python3.13-devel, python3.13-freethreading (ALAS2023-2026-1600)
30 Apr 202600:00
–nessus
Tenable Nessus		Amazon Linux 2023 : python3.14, python3.14-devel, python3.14-freethreading (ALAS2023-2026-1617)
30 Apr 202600:00
–nessus
Tenable Nessus		Amazon Linux 2023 : python3, python3-devel, python3-idle (ALAS2023-2026-1618)
30 Apr 202600:00
–nessus
Tenable Nessus		Amazon Linux 2023 : python3.12, python3.12-devel, python3.12-idle (ALAS2023-2026-1619)
30 Apr 202600:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.8aarch64python3.123.12.13-2.el9_8python3.12-3.12.13-2.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8i686python3.123.12.13-2.el9_8python3.12-3.12.13-2.el9_8.i686.rpm
Red Hat Enterprise Linux9.8ppc64lepython3.123.12.13-2.el9_8python3.12-3.12.13-2.el9_8.ppc64le.rpm
Red Hat Enterprise Linux9.8s390xpython3.123.12.13-2.el9_8python3.12-3.12.13-2.el9_8.s390x.rpm
Red Hat Enterprise Linux9.8x86_64python3.123.12.13-2.el9_8python3.12-3.12.13-2.el9_8.x86_64.rpm
Red Hat Enterprise Linux9.8aarch64python3.12-debug3.12.13-2.el9_8python3.12-debug-3.12.13-2.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8i686python3.12-debug3.12.13-2.el9_8python3.12-debug-3.12.13-2.el9_8.i686.rpm
Red Hat Enterprise Linux9.8ppc64lepython3.12-debug3.12.13-2.el9_8python3.12-debug-3.12.13-2.el9_8.ppc64le.rpm
Red Hat Enterprise Linux9.8s390xpython3.12-debug3.12.13-2.el9_8python3.12-debug-3.12.13-2.el9_8.s390x.rpm
Red Hat Enterprise Linux9.8x86_64python3.12-debug3.12.13-2.el9_8python3.12-debug-3.12.13-2.el9_8.x86_64.rpm
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22 Jul 2026 20:42Current
7.2High risk
Vulners AI Score7.2
CVSS 46
EPSS0.00401
SSVC
CWE-93
header injectionpython morselhttp cookiescookie valuescontrol characterssecurity patch
25