CVE-2026-20691

CWE-4978 documents8 sources
Severity
4.3MEDIUM
EPSS
0.0%
top 89.51%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
Apple IOS AND IpadosApple MacosApple Safari+4 more
Timeline
PublishedMar 25
Latest updateMar 30

Description

An authorization issue was addressed with improved state management. This issue is fixed in Safari 26.4, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, visionOS 26.4, watchOS 26.4. A maliciously crafted webpage may be able to fingerprint the user.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:NExploitability: 2.8 | Impact: 1.4

Affected Packages12 packages

▶CVEListV5apple/macos< 26.4
▶NVDapple/macos26.0 — 26.4
▶CVEListV5apple/safari< 26.4
▶NVDapple/ipados< 26.4
▶NVDapple/safari< 26.4

🔴Vulnerability Details

3
CVEList
CVE-2026-20691: An authorization issue was addressed with improved state management↗2026-03-25
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OSV
CVE-2026-20691: An authorization issue was addressed with improved state management↗2026-03-25
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GHSA
GHSA-rqx2-8fr2-c94c: An authorization issue was addressed with improved state management↗2026-03-25
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📋Vendor Advisories

2
Red Hat
webkitgtk: A maliciously crafted webpage may be able to fingerprint the user↗2026-03-28
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Debian
CVE-2026-20691: webkit2gtk - An authorization issue was addressed with improved state management. This issue ...↗2026
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🕵️Threat Intelligence

1
Wiz
CVE-2026-20691 Impact, Exploitability, and Mitigation Steps | Wiz↗
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💬Community

1
Bugzilla
CVE-2026-20691 webkitgtk: A maliciously crafted webpage may be able to fingerprint the user [fedora-all]↗2026-03-30
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CVE-2026-20691 (MEDIUM CVSS 4.3) | An authorization issue was addresse | cvebase.io