CVE-2026-28871Published

A logic issue was addressed with improved checks. 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. Visiting a maliciously crafted website may lead to a cross-site scripting attack…

Exact source revision recorded 26 Oct 2026 21:35:30 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2026-28871

Published

Safari

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "Apple",
                    "product": "Safari",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "lessThan": "26.4",
                            "versionType": "custom"
                        }
                    ]
                }

iOS and iPadOS

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "Apple",
                    "product": "iOS and iPadOS",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "lessThan": "18.7.7",
                            "versionType": "custom"
                        },
                        {
                            "version": "0",
                            "status": "affected",
                            "lessThan": "26.4",
                            "versionType": "custom"
                        }
                    ]
                }

macOS

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "Apple",
                    "product": "macOS",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "lessThan": "26.4",
                            "versionType": "custom"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON