{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-28861", "assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c", "state": "PUBLISHED", "assignerShortName": "apple", "dateReserved": "2026-03-03T16:36:03.972Z", "datePublished": "2026-03-25T00:32:03.933Z", "dateUpdated": "2026-08-17T21:30:13.527Z" }, "containers": { "cna": { "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "A malicious website may be able to access script message handlers intended for other origins" } ] } ], "affected": [ { "vendor": "Apple", "product": "Safari", "versions": [ { "version": "0", "status": "affected", "lessThan": "26.4", "versionType": "custom" } ] }, { "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" } ] }, { "vendor": "Apple", "product": "macOS", "versions": [ { "version": "0", "status": "affected", "lessThan": "26.4", "versionType": "custom" } ] }, { "vendor": "Apple", "product": "visionOS", "versions": [ { "version": "0", "status": "affected", "lessThan": "26.4", "versionType": "custom" } ] } ], "descriptions": [ { "lang": "en", "value": "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." } ], "references": [ { "url": "https://support.apple.com/en-us/126792" }, { "url": "https://support.apple.com/en-us/126793" }, { "url": "https://support.apple.com/en-us/126794" }, { "url": "https://support.apple.com/en-us/126799" }, { "url": "https://support.apple.com/en-us/126800" } ], "providerMetadata": { "orgId": "286789f9-fbc2-4510-9f9a-43facdede74c", "shortName": "apple", "dateUpdated": "2026-08-17T21:30:13.527Z" } }, "adp": [ { "problemTypes": [ { "descriptions": [ { "type": "CWE", "cweId": "CWE-79", "lang": "en", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')" } ] } ], "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW" } }, { "other": { "type": "ssvc", "content": { "timestamp": "2026-03-26T13:48:37.064780Z", "id": "CVE-2026-28861", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-10T13:01:42.660Z" } }, { "affected": [ { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/o:redhat:enterprise_linux:6" ], "defaultStatus": "unaffected", "packageName": "webkitgtk", "product": "Red Hat Enterprise Linux 6", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/o:redhat:enterprise_linux:7" ], "defaultStatus": "unaffected", "packageName": "webkitgtk3", "product": "Red Hat Enterprise Linux 7", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/o:redhat:enterprise_linux:7" ], "defaultStatus": "unaffected", "packageName": "webkitgtk4", "product": "Red Hat Enterprise Linux 7", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/o:redhat:enterprise_linux:8" ], "defaultStatus": "unaffected", "packageName": "webkit2gtk3", "product": "Red Hat Enterprise Linux 8", "vendor": "Red Hat" }, { "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": [ "cpe:/o:redhat:enterprise_linux:9" ], "defaultStatus": "unaffected", "packageName": "webkit2gtk3", "product": "Red Hat Enterprise Linux 9", "vendor": "Red Hat" } ], "datePublic": "2026-03-28T20:00:00.000Z", "descriptions": [ { "lang": "en", "value": "A flaw was found in WebKitGTK. A maliciously crafted web page can cause a logic issue due to improper state management and may be able to access script message handlers intended for other origins." } ], "metrics": [ { "other": { "content": { "namespace": "https://access.redhat.com/security/updates/classification/", "value": "Important" }, "type": "Red Hat severity rating" } }, { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N", "version": "3.1" }, "format": "CVSS" } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-346", "description": "Origin Validation Error", "lang": "en", "type": "CWE" } ] } ], "references": [ { "tags": [ "vdb-entry", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/security/cve/CVE-2026-28861" }, { "name": "RHBZ#2453007", "tags": [ "issue-tracking", "x_refsource_REDHAT" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2453007" }, { "tags": [ "x_sadp-csaf-vex" ], "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-28861.json" } ], "timeline": [ { "lang": "en", "time": "2026-03-30T12:37:40.953Z", "value": "Reported to Red Hat." }, { "lang": "en", "time": "2026-03-28T20:00:00.000Z", "value": "Made public." } ], "title": "webkitgtk: A malicious website may be able to access script message handlers intended for other origins", "x_adpType": "supplier", "x_generator": { "engine": "sadp-cli 1.0.0" }, "providerMetadata": { "orgId": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "shortName": "redhat-SADP", "dateUpdated": "2026-07-15T01:11:20.134Z" } } ] } }