CVE-2026-20676

CWE-400 — Uncontrolled Resource ConsumptionCWE-20113 documents9 sources
Severity
5.3MEDIUM
EPSS
0.0%
top 89.31%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
6
Apple IOS AND IpadosApple MacosApple Safari+3 more
Timeline
PublishedFeb 11
Latest updateMar 19

Description

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NExploitability: 3.9 | Impact: 1.4

Affected Packages11 packages

▶CVEListV5apple/safari< 26.3
▶NVDapple/safari< 26.3
▶CVEListV5apple/macos< 26.3
▶NVDapple/macos< 26.3
▶NVDapple/ipados< 26.3

🔴Vulnerability Details

4
GHSA
GHSA-cpw4-rfmm-h598: This issue was addressed through improved state management↗2026-02-12
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OSV
CVE-2026-20676: This issue was addressed through improved state management↗2026-02-11
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OSV
CVE-2026-20676: This issue was addressed through improved state management↗2026-02-11
▶
CVEList
CVE-2026-20676: This issue was addressed through improved state management↗2026-02-11
▶

📋Vendor Advisories

6
Red Hat
webkitgtk: A website may be able to track users through Safari web extensions↗2026-03-18
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Apple
CVE-2026-20676: Safari 26.3↗2026-02-11
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Apple
CVE-2026-20676: macOS Tahoe 26.3↗2026-02-11
▶
Apple
CVE-2026-20676: iOS 26.3 and iPadOS 26.3↗2026-02-11
▶
Apple
CVE-2026-20676: visionOS 26.3↗2026-02-11
▶

🕵️Threat Intelligence

1
Wiz
CVE-2026-20676 Impact, Exploitability, and Mitigation Steps | Wiz↗
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💬Community

1
Bugzilla
CVE-2026-20676 webkitgtk: A website may be able to track users through Safari web extensions [fedora-all]↗2026-03-19
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CVE-2026-20676 (MEDIUM CVSS 5.3) | This issue was addressed through im | cvebase.io