CVE-2026-28861

A logic issue was addressed with improved state management. This issue is fixed in 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. A malicious website may be able to access script message handlers intended for other origins.

• CWE-79
• CWE-346

• https://support.apple.com/en-us/126792Release Notes, Vendor Advisory
• https://support.apple.com/en-us/126793Release Notes, Vendor Advisory
• https://support.apple.com/en-us/126794Release Notes, Vendor Advisory
• https://support.apple.com/en-us/126799Release Notes, Vendor Advisory
• https://support.apple.com/en-us/126800Release Notes, Vendor Advisory
• https://access.redhat.com/security/cve/CVE-2026-28861
• https://bugzilla.redhat.com/show_bug.cgi?id=2453007
• https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-28861.json

Published

Mar 25, 2026

Last Modified

Jul 15, 2026

Status

Modified

• Same Subject, Wrong User: A Cross-Issuer Account Takeover in n8nStrix found an identity-binding bug in n8n's token-exchange flow enabling account takeover.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2026-28856The issue was addressed with improved authentication. This i…4.6
• CVE-2026-28857The issue was addressed with improved memory handling. This …6.5
• CVE-2026-28858A buffer overflow was addressed with improved bounds checkin…9.8
• CVE-2026-28859The issue was addressed with improved memory handling. This …4.3
• CVE-2026-2886A weakness has been identified in Tenda A21 1.0.0.0. This af…8.8
• CVE-2026-28860The issue was addressed with improved input validation. This…7.5
• CVE-2026-28862A privacy issue was addressed with improved private data red…5.3
• CVE-2026-28863A permissions issue was addressed with additional restrictio…6.5
• CVE-2026-28864This issue was addressed with improved permissions checking.…3.3
• CVE-2026-28865An authentication issue was addressed with improved state ma…7.5
• CVE-2026-28866This issue was addressed with improved validation of symlink…6.2
• CVE-2026-28867This issue was addressed with improved authentication. This …6.2