Advisory severityHigh7.4Red Hat Linux

High [CVE-2026-102675] Cross-origin information disclosure via improper CORS enforcement in custom protocol handlers

This high-severity Red Hat Linux advisory covers CVE-2026-102675; 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-2026-102675 Source published Sep 29, 2026Source updated Sep 29, 2026

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

CVE-2026-102675

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Summary

Cross-origin information disclosure via improper CORS enforcement in custom protocol handlers. Red Hat rates this important (CVSS 7.4).

Weakness: CWE-346.

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

Ensure custom schemes registered with supportFetchAPI explicitly enable corsEnabled, or avoid loading untrusted web content within sessions where custom protocol schemes with disabled CORS controls are registered.

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

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