Advisory severityHigh8.2Red Hat Linux

High [CVE-2026-102674] Sandbox bypass via popup window creation

This high-severity Red Hat Linux advisory covers CVE-2026-102674; related products: Red Hat Build of Podman Desktop, Red Hat Enterprise Linux 10, Red Hat package: podman-desktop.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-102674 Source published Sep 29, 2026Source updated Sep 29, 2026

VulniPulse record published Oct 2, 2026Record updated Oct 2, 2026

CVE-2026-102674

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Summary

Sandbox bypass via popup window creation. Red Hat rates this important (CVSS 8.2).

Weakness: CWE-281.

Affected products named by the advisory: Red Hat Build of Podman Desktop; Red Hat Enterprise Linux 10; Red Hat package: podman-desktop; Red Hat package: rh-podman-desktop.

Affected versions

< 41.10.6
< 42.9.2
< 43.4.1
< 44.0.0-beta

Official advisory · high-confidence parse· fetched 4 days ago·verify at source

Fixed versions

41.10.6
42.9.2
43.4.1
44.0.0
44.0.0-beta

Official advisory · high-confidence parse· fetched 4 days ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Applications can mitigate this vulnerability by intercepting and denying unexpected popups using setWindowOpenHandler. Returning { action: 'deny' } for unvalidated or unapproved popup requests prevents child windows from opening with the full origin context.

Official advisory · high-confidence parse· fetched 4 days ago·verify at source

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