CVE-2026-126875

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{}

{"affected": [{"affectedData": [{"product": "Chrome", "vendor": "Google", "versions": [{"lessThan": "157.0.8103.78", "status": "affected", "version": "157.0.8103.78", "versionType": "custom"}]}], "source": "chrome-cve-admin@google.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*", "matchCriteriaId": "8F6B0625-AEDC-487A-87B8-8BB68A506D55", "versionEndExcluding": "157.0.8103.78", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Missing authorization in V8 in Google Chrome prior to 157.0.8103.78 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: High)"}], "id": "CVE-2026-126875", "lastModified": "2026-11-13T15:30:20.630", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.2, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-126875", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-11-12T17:46:49.566157Z", "version": "2.0.3"}}]}, "published": "2026-11-11T23:17:16.310", "references": [{"source": "chrome-cve-admin@google.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop_01744469280.html"}, {"source": "chrome-cve-admin@google.com", "tags": ["Permissions Required"], "url": "https://issues.chromium.org/issues/574222006"}], "sourceIdentifier": "chrome-cve-admin@google.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-862"}], "source": "chrome-cve-admin@google.com", "type": "Secondary"}]}

{"bugzilla": {"description": "chromium-browser: chromium-browser: Web origin policy bypass via crafted HTML page", "id": "2572019", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2572019"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N", "status": "draft"}, "cwe": "CWE-346", "details": ["A flaw was found in chromium-browser. Missing authorization checks in the V8 engine allow a remote attacker to bypass web origin security boundaries by convincing a victim to load a specially crafted HTML page. Successful exploitation could lead to information disclosure by allowing unauthorized access to sensitive data across different websites."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."}, "name": "CVE-2026-126875", "public_date": "2026-11-11T22:38:53Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-126875\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-126875\nhttps://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop_01744469280.html\nhttps://issues.chromium.org/issues/574222006"], "statement": "This vulnerability is rated as an Important severity flaw because an attacker can circumvent the same-origin security boundary remotely, compromising the confidentiality and integrity of web sessions without requiring elevated privileges. In Red Hat Enterprise Linux environments, chromium-browser is primarily deployed as an optional desktop application for interactive web browsing. Exploitation requires user interaction to visit an attacker-controlled website or load untrusted web content. Standard operating system sandboxing mechanisms do not prevent cross-origin authorization failures within the JavaScript engine once malicious content is processed.", "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[157.0.8103.78,157.0.8103.78)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Chrome", "source": "cna", "vendor": "Google"}, "product": "chrome", "vendor": "google"}], "created": "2026-11-12T17:30:06.329700+00:00", "updated": "2026-11-13T03:30:13.813400+00:00", "vendors": ["google", "google$PRODUCT$chrome"]}