Medium [CVE-2026-114583] Arbitrary file write via tarfile extraction filter bypass
This medium-severity Red Hat Linux advisory covers CVE-2026-114583; related products: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7.
Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.
VulniPulse record published Record updated
Summary
Arbitrary file write via tarfile extraction filter bypass. Red Hat rates this moderate (CVSS 6.2).
Weakness: CWE-59.
Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; and 8 more.
Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux AI (RHEL AI) 3; Red Hat Hardened Images; Red Hat OpenShift Virtualization 4; and 4 more.
Is CVE-2026-114583 exploited?
No exploitation is reported in the sources VulniPulse tracks: CVE-2026-114583 is not in the CISA KEV catalog (checked ) and this advisory does not report exploitation. That is not proof the vulnerability cannot be exploited.
How do I fix CVE-2026-114583?
The advisory VulniPulse tracks names no fixed release. Follow Red Hat's guidance for workarounds and updates.
Confirm against the vendor advisory before you patch.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative. Check it before change work.
Official advisory · high-confidence parse· fetched 3 days ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists. Confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 3 days ago·verify at source
Mitigation checklist
- Until a fixed Python build is available, avoid extracting untrusted tar archives with the tar extraction filter. If untrusted archives must be processed, perform extraction in an isolated, least-privileged environment with access only to files that may safely be written.
Official advisory · high-confidence parse· fetched 3 days ago·verify at source
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