This issue was addressed through improved state management. This issue is fixed in Safari 26.3, iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, visionOS 26.3. A website may be able to track users through Safari web extensions.
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Score 5.3 from GitHub Security Advisory published 2026-02-12. NVD baseline CVSS 5.3; sources differ by 0.0.
This issue was addressed through improved state management. This issue is fixed in Safari 26.3, iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, visionOS 26.3. A website may be able to track users through Safari web extensions.
February 11, 2026
April 2, 2026
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Red Hat Security Advisory: webkitgtk4 security update
Red Hat Security Advisory: webkit2gtk3 security update
Red Hat Security Advisory: webkit2gtk3 security update
Red Hat Security Advisory: webkit2gtk3 security update
Red Hat Security Advisory: webkit2gtk3 security update
Red Hat Security Advisory: webkit2gtk3 security update
Red Hat Security Advisory: webkit2gtk3 security update
Red Hat Security Advisory: webkit2gtk3 security update
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| redhat | webkit2gtk3-0:2.52.3-1.el9_0 | 2026-05-20 | redhat |
| ubuntu | webkitgtk-webdriver (2.52.3-0ubuntu0.26.04.2) @ resolute | 2026-05-20 | ubuntu |
| redhat | webkit2gtk3-0:2.52.3-1.el9_8 | 2026-05-19 | redhat |
| redhat | webkit2gtk3-0:2.52.3-1.el9_2 | 2026-05-13 | redhat |
| redhat | webkit2gtk3-0:2.52.3-1.el8_4 | 2026-05-11 | redhat |
| redhat | webkit2gtk3-0:2.52.3-1.el9_4 | 2026-05-07 | redhat |
| redhat | webkit2gtk3-0:2.52.3-1.el8_6 | 2026-05-05 | redhat |
| redhat | webkit2gtk3-0:2.52.3-1.el8_8 | 2026-04-29 | redhat |
| redhat | webkit2gtk3-0:2.52.3-1.el9_6 | 2026-04-28 | redhat |
| redhat | webkit2gtk3-0:2.52.3-1.el8_10 | 2026-04-27 | redhat |
| redhat | webkit2gtk3-0:2.52.3-0.el9_7.1 | 2026-04-22 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.
See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-20676
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redhat
CWE-400