CPython: Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen
WID-SEC-2026-3335 · first 14.09.2026 · updated 26.10.2026 · CVSS 5,7
What it is about
Python ist eine universelle, üblicherweise interpretierte, höhere Programmiersprache. Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in CPython ausnutzen, um Sicherheitsvorkehrungen zu umgehen.
Under what conditions?
Over the network, but only with valid access (login required), for example with stolen credentials or as an insider.
What can happen in the worst case
An attacker could use the vulnerability to
- Sicherheitsvorkehrungen zu umgehen
Am I affected?
Affected according to the BSI:
- IBM AIX
- SUSE openSUSE
- Oracle Linux
- Open Source Python
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Install the updates provided by the vendor; details in the sources below.
Is the vulnerability already being exploited?
None of the CVEs is in the CISA catalogue of exploited vulnerabilities. That does not mean there are no attacks, only that none are documented.
Information and sources
- Original BSI advisory (WID)
- OSS Security Mailing List vom 2026-09-13 seclists.org
- NIST Vulnerability Database vom 2026-09-13 nvd.nist.gov
- Python GitHub vom 2026-09-13 github.com
- Oracle Linux Security Advisory ELSA-2026-77028 vom 2026-10-08 linux.oracle.com
- Oracle Linux Security Advisory ELSA-2026-77020 vom 2026-10-09 linux.oracle.com
- Oracle Linux Security Advisory ELSA-2026-77017 vom 2026-10-08 linux.oracle.com
- IBM Security Bulletin 7293240 vom 2026-10-21 aix.software.ibm.com
- openSUSE Security Update OPENSUSE-SU-2026:12125-1 vom 2026-10-25 lists.opensuse.org
CVE: CVE-2026-87910
Source: BSI warning and information service (CERT-Bund); CISA. The assessment of the conditions is my reading of the BSI text; the external pages are in their original language.