CVE-2026-28958
WebKit: An app may be able to access sensitive user data
CVE-2026-28958 is fixed in 21 products on 2 platforms, first by Tahoe 26.5, released May 11, 2026. It is not reported as exploited. Patch Radar priority: High.
HighFixed on 2 platforms
CVSS
8.8
MEDIUM
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0014
3rd percentile
This issue was addressed with improved data protection. WebKit Bugzilla: 311228
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| macOS | |||
| Tahoe | 26.5 | Tahoe 26.5 | May 11, 2026 |
| Linux | |||
| gir1.2-javascriptcoregtk-4.1 · Ubuntu 24.04.5 LTS (noble) | 2.52.6-0ubuntu0.24.04.1 | gir1.2-javascriptcoregtk-4.1 2.52.6-0ubuntu0.24.04.1 | Sep 3, 2026 |
| gir1.2-javascriptcoregtk-4.1 · Ubuntu 26.04.1 LTS (resolute) | 2.52.6-0ubuntu0.26.04.1 | gir1.2-javascriptcoregtk-4.1 2.52.6-0ubuntu0.26.04.1 | Aug 20, 2026 |
| gir1.2-javascriptcoregtk-6.0 · Ubuntu 24.04.5 LTS (noble) | 2.52.6-0ubuntu0.24.04.1 | gir1.2-javascriptcoregtk-6.0 2.52.6-0ubuntu0.24.04.1 | Sep 3, 2026 |
| gir1.2-javascriptcoregtk-6.0 · Ubuntu 26.04.1 LTS (resolute) | 2.52.6-0ubuntu0.26.04.1 | gir1.2-javascriptcoregtk-6.0 2.52.6-0ubuntu0.26.04.1 | Aug 20, 2026 |
| gir1.2-webkit-6.0 · Ubuntu 24.04.5 LTS (noble) | 2.52.6-0ubuntu0.24.04.1 | gir1.2-webkit-6.0 2.52.6-0ubuntu0.24.04.1 | Sep 3, 2026 |
| gir1.2-webkit-6.0 · Ubuntu 26.04.1 LTS (resolute) | 2.52.6-0ubuntu0.26.04.1 | gir1.2-webkit-6.0 2.52.6-0ubuntu0.26.04.1 | Aug 20, 2026 |
| gir1.2-webkit2-4.1 · Ubuntu 24.04.5 LTS (noble) | 2.52.6-0ubuntu0.24.04.1 | gir1.2-webkit2-4.1 2.52.6-0ubuntu0.24.04.1 | Sep 3, 2026 |
| gir1.2-webkit2-4.1 · Ubuntu 26.04.1 LTS (resolute) | 2.52.6-0ubuntu0.26.04.1 | gir1.2-webkit2-4.1 2.52.6-0ubuntu0.26.04.1 | Aug 20, 2026 |
| libjavascriptcoregtk-4.0-bin · Ubuntu 24.04.5 LTS (noble) | 2.52.6-0ubuntu0.24.04.1 | libjavascriptcoregtk-4.0-bin 2.52.6-0ubuntu0.24.04.1 | Sep 3, 2026 |
| libjavascriptcoregtk-4.1-0 · Ubuntu 24.04.5 LTS (noble) | 2.52.6-0ubuntu0.24.04.1 | libjavascriptcoregtk-4.1-0 2.52.6-0ubuntu0.24.04.1 | Sep 3, 2026 |
| libjavascriptcoregtk-4.1-0 · Ubuntu 26.04.1 LTS (resolute) | 2.52.6-0ubuntu0.26.04.1 | libjavascriptcoregtk-4.1-0 2.52.6-0ubuntu0.26.04.1 | Aug 20, 2026 |
| libjavascriptcoregtk-6.0-1 · Ubuntu 24.04.5 LTS (noble) | 2.52.6-0ubuntu0.24.04.1 | libjavascriptcoregtk-6.0-1 2.52.6-0ubuntu0.24.04.1 | Sep 3, 2026 |
| libjavascriptcoregtk-6.0-1 · Ubuntu 26.04.1 LTS (resolute) | 2.52.6-0ubuntu0.26.04.1 | libjavascriptcoregtk-6.0-1 2.52.6-0ubuntu0.26.04.1 | Aug 20, 2026 |
| libjavascriptcoregtk-bin · Ubuntu 24.04.5 LTS (noble) | 2.52.6-0ubuntu0.24.04.1 | libjavascriptcoregtk-bin 2.52.6-0ubuntu0.24.04.1 | Sep 3, 2026 |
| libjavascriptcoregtk-bin · Ubuntu 26.04.1 LTS (resolute) | 2.52.6-0ubuntu0.26.04.1 | libjavascriptcoregtk-bin 2.52.6-0ubuntu0.26.04.1 | Aug 20, 2026 |
| libwebkit2gtk-4.1-0 · Ubuntu 24.04.5 LTS (noble) | 2.52.6-0ubuntu0.24.04.1 | libwebkit2gtk-4.1-0 2.52.6-0ubuntu0.24.04.1 | Sep 3, 2026 |
| libwebkit2gtk-4.1-0 · Ubuntu 26.04.1 LTS (resolute) | 2.52.6-0ubuntu0.26.04.1 | libwebkit2gtk-4.1-0 2.52.6-0ubuntu0.26.04.1 | Aug 20, 2026 |
| libwebkitgtk-6.0-4 · Ubuntu 24.04.5 LTS (noble) | 2.52.6-0ubuntu0.24.04.1 | libwebkitgtk-6.0-4 2.52.6-0ubuntu0.24.04.1 | Sep 3, 2026 |
| libwebkitgtk-6.0-4 · Ubuntu 26.04.1 LTS (resolute) | 2.52.6-0ubuntu0.26.04.1 | libwebkitgtk-6.0-4 2.52.6-0ubuntu0.26.04.1 | Aug 20, 2026 |
| webkit2gtk · Debian 13.5 (trixie) | 2.52.5-1~deb13u1 | DEBIAN-CVE-2026-28958 | May 11, 2026 |
| webkit2gtk · Debian 14 | 2.52.4-1 | DEBIAN-CVE-2026-28958 | May 11, 2026 |
| webkit2gtk-driver · Ubuntu 24.04.5 LTS (noble) | 2.52.6-0ubuntu0.24.04.1 | webkit2gtk-driver 2.52.6-0ubuntu0.24.04.1 | Sep 3, 2026 |
| webkit2gtk3 · RHEL 8 | 0:2.52.4-1.el8_10 | RHSA-2026:25918 | Jun 24, 2026 |
| webkit2gtk3 · RHEL 9 | 0:2.52.4-1.el9_8 | RHSA-2026:25927 | Jun 24, 2026 |
| webkit2gtk3 · almalinux 8 | 2.52.4-1.el8_10 | ALSA-2026:25918 | Jun 15, 2026 |
| webkit2gtk3 · almalinux 9 | 2.52.4-1.el9_8 | ALSA-2026:25927 | Jun 15, 2026 |
| webkit2gtk3 · ol 8 | 0:2.52.4-1.el8_10 | ELSA-2026-25918 | Jun 15, 2026 |
| webkit2gtk3 · ol 9 | 0:2.52.4-1.el9_8 | ELSA-2026-25927 | Jun 23, 2026 |
| webkit2gtk3 · opensuse-leap 16.0 | 2.52.4-160000.1.1 | OPENSUSE-SU-2026:21129-1 | Jun 20, 2026 |
| webkit2gtk3 · rocky 8 | 0:2.52.4-1.el8_10 | RLSA-2026:25918 | Jun 17, 2026 |
| webkit2gtk3 · rocky 9 | 0:2.52.4-1.el9_8 | RLSA-2026:25927 | Jun 17, 2026 |
| webkit2gtk3 · sles 15.6 | 2.52.4-150600.12.68.1 | SUSE-SU-2026:2376-1 | Jun 11, 2026 |
| webkit2gtk3 · sles 15.7 | 2.52.4-150600.12.68.1 | SUSE-SU-2026:2376-1 | Jun 11, 2026 |
| webkit2gtk3 · sles 16.0 | 2.52.4-160000.1.1 | SUSE-SU-2026:22212-1 | Jun 20, 2026 |
| webkit2gtk3-devel · RHEL 8 | 0:2.52.4-1.el8_10 | RHSA-2026:25918 | Jun 24, 2026 |
| webkit2gtk3-devel · RHEL 9 | 0:2.52.4-1.el9_8 | RHSA-2026:25927 | Jun 24, 2026 |
| webkit2gtk3-devel · almalinux 8 | 2.52.4-1.el8_10 | ALSA-2026:25918 | Jun 15, 2026 |
| webkit2gtk3-devel · almalinux 9 | 2.52.4-1.el9_8 | ALSA-2026:25927 | Jun 15, 2026 |
| webkit2gtk3-devel · ol 8 | 0:2.52.4-1.el8_10 | ELSA-2026-25918 | Jun 15, 2026 |
| webkit2gtk3-devel · ol 9 | 0:2.52.4-1.el9_8 | ELSA-2026-25927 | Jun 23, 2026 |
| webkit2gtk3-jsc · RHEL 8 | 0:2.52.4-1.el8_10 | RHSA-2026:25918 | Jun 24, 2026 |
| webkit2gtk3-jsc · RHEL 9 | 0:2.52.4-1.el9_8 | RHSA-2026:25927 | Jun 24, 2026 |
| webkit2gtk3-jsc · almalinux 8 | 2.52.4-1.el8_10 | ALSA-2026:25918 | Jun 15, 2026 |
| webkit2gtk3-jsc · almalinux 9 | 2.52.4-1.el9_8 | ALSA-2026:25927 | Jun 15, 2026 |
| webkit2gtk3-jsc · ol 8 | 0:2.52.4-1.el8_10 | ELSA-2026-25918 | Jun 15, 2026 |
| webkit2gtk3-jsc · ol 9 | 0:2.52.4-1.el9_8 | ELSA-2026-25927 | Jun 23, 2026 |
| webkit2gtk3-jsc-devel · RHEL 8 | 0:2.52.4-1.el8_10 | RHSA-2026:25918 | Jun 24, 2026 |
| webkit2gtk3-jsc-devel · RHEL 9 | 0:2.52.4-1.el9_8 | RHSA-2026:25927 | Jun 24, 2026 |
| webkit2gtk3-jsc-devel · almalinux 8 | 2.52.4-1.el8_10 | ALSA-2026:25918 | Jun 15, 2026 |
| webkit2gtk3-jsc-devel · almalinux 9 | 2.52.4-1.el9_8 | ALSA-2026:25927 | Jun 15, 2026 |
| webkit2gtk3-jsc-devel · ol 8 | 0:2.52.4-1.el8_10 | ELSA-2026-25918 | Jun 15, 2026 |
| webkit2gtk3-jsc-devel · ol 9 | 0:2.52.4-1.el9_8 | ELSA-2026-25927 | Jun 23, 2026 |
| webkit2gtk3-soup2 · opensuse-leap 16.0 | 2.52.4-160000.1.1 | OPENSUSE-SU-2026:21129-1 | Jun 20, 2026 |
| webkit2gtk3-soup2 · sles 15.6 | 2.52.4-150600.12.68.1 | SUSE-SU-2026:2376-1 | Jun 11, 2026 |
| webkit2gtk3-soup2 · sles 15.7 | 2.52.4-150600.12.68.1 | SUSE-SU-2026:2376-1 | Jun 11, 2026 |
| webkit2gtk4 · opensuse-leap 16.0 | 2.52.4-160000.1.1 | OPENSUSE-SU-2026:21129-1 | Jun 20, 2026 |
| webkit2gtk4 · sles 15.6 | 2.52.4-150600.12.68.1 | SUSE-SU-2026:2376-1 | Jun 11, 2026 |
| webkit2gtk4 · sles 15.7 | 2.52.4-150600.12.68.1 | SUSE-SU-2026:2376-1 | Jun 11, 2026 |
| webkit2gtk4 · sles 16.0 | 2.52.4-160000.1.1 | SUSE-SU-2026:22212-1 | Jun 20, 2026 |
| webkitgtk-webdriver · Ubuntu 26.04.1 LTS (resolute) | 2.52.6-0ubuntu0.26.04.1 | webkitgtk-webdriver 2.52.6-0ubuntu0.26.04.1 | Aug 20, 2026 |
| wpewebkit · Debian 14 | 2.52.4-1 | DEBIAN-CVE-2026-28958 | May 11, 2026 |
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