CVE-2026-20643
Medium · 5.4CVSS
5.4
EPSS
0.4%
Published
Mar 17, 2026
CISA due date
—
The record
A cross-origin issue in the Navigation API was addressed with improved input validation. This issue is fixed in Background Security Improvements for iOS, iPadOS, and macOS, Safari 26.4, iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, visionOS 26.4. Processing maliciously crafted web content may bypass Same Origin Policy.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| SUSE:Linux Enterprise Module for Basesystem 15 SP7 | webkit2gtk3-soup2 | 0 | 2.52.1-150600.12.63.1 |
| SUSE:Linux Enterprise Module for Basesystem 15 SP7 | webkit2gtk4 | 0 | 2.52.1-150600.12.63.1 |
| SUSE:Linux Enterprise Module for Desktop Applications 15 SP7 | webkit2gtk3 | 0 | 2.52.1-150600.12.63.1 |
| SUSE:Linux Enterprise Module for Development Tools 15 SP7 | webkit2gtk4 | 0 | 2.52.1-150600.12.63.1 |
| SUSE:Linux Enterprise Server 15 SP6-LTSS | webkit2gtk3 | 0 | 2.52.1-150600.12.63.1 |
| SUSE:Linux Enterprise Server 15 SP6-LTSS | webkit2gtk3-soup2 | 0 | 2.52.1-150600.12.63.1 |
| SUSE:Linux Enterprise Server 15 SP6-LTSS | webkit2gtk4 | 0 | 2.52.1-150600.12.63.1 |
| SUSE:Linux Enterprise Server for SAP Applications 15 SP6 | webkit2gtk3 | 0 | 2.52.1-150600.12.63.1 |
| SUSE:Linux Enterprise Server for SAP Applications 15 SP6 | webkit2gtk3-soup2 | 0 | 2.52.1-150600.12.63.1 |
| SUSE:Linux Enterprise Server for SAP Applications 15 SP6 | webkit2gtk4 | 0 | 2.52.1-150600.12.63.1 |
| openSUSE:Leap 15.6 | webkit2gtk3 | 0 | 2.52.1-150600.12.63.1 |
| openSUSE:Leap 15.6 | webkit2gtk3-soup2 | 0 | 2.52.1-150600.12.63.1 |
| openSUSE:Leap 15.6 | webkit2gtk4 | 0 | 2.52.1-150600.12.63.1 |
| openSUSE:Leap 16.0 | webkit2gtk3 | 0 | 2.52.1-160000.1.1 |
| openSUSE:Leap 16.0 | webkit2gtk3-soup2 | 0 | 2.52.1-160000.1.1 |
| openSUSE:Leap 16.0 | webkit2gtk4 | 0 | 2.52.1-160000.1.1 |
Related vulnerabilities
- CVE-2026-28871 A logic issue was addressed with improved checks. Also affects webkit2gtk3-soup2
- CVE-2026-28861 A logic issue was addressed with improved state management. Also affects webkit2gtk3-soup2
- CVE-2026-28859 The issue was addressed with improved memory handling. Also affects webkit2gtk3-soup2
- CVE-2026-28857 The issue was addressed with improved memory handling. Also affects webkit2gtk3-soup2
- CVE-2026-20665 This issue was addressed through improved state management. Also affects webkit2gtk3-soup2
- CVE-2026-20691 An authorization issue was addressed with improved state management. Also affects webkit2gtk3-soup2
- CVE-2026-20664 The issue was addressed with improved memory handling. Also affects webkit2gtk3-soup2
- CVE-2023-43010 The issue was addressed with improved memory handling. Also affects webkit2gtk3-soup2