Advisory severityHigh8.2Red Hat Linux

High [CVE-2026-102673] Sandbox bypass via popups opened from sandboxed iframes

This high-severity Red Hat Linux advisory covers CVE-2026-102673; 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-2026-102673 Source published Sep 29, 2026Source updated Sep 29, 2026

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

CVE-2026-102673

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Summary

Sandbox bypass via popups opened from sandboxed iframes. 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

< 41.10.4
< 42.5.2
< 43.0.0

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

Fixed versions

41.10.4
42.5.2
43.0.0

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

Mitigation checklist

Recommended fix / mitigation

Avoid embedding untrusted web content inside sandboxed iframes configured with allow-popups, or intercept new window navigation requests using setWindowOpenHandler to validate and deny unexpected popup requests.

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

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