{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-5918", "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "state": "PUBLISHED", "assignerShortName": "Chrome", "dateReserved": "2026-04-08T20:10:22.013Z", "datePublished": "2026-04-08T21:21:07.218Z", "dateUpdated": "2026-04-09T14:32:05.359Z"}, "containers": {"cna": {"affected": [{"vendor": "Google", "product": "Chrome", "versions": [{"version": "147.0.7727.55", "status": "affected", "lessThan": "147.0.7727.55", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "Inappropriate implementation in Navigation in Google Chrome prior to 147.0.7727.55 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Inappropriate implementation"}]}], "providerMetadata": {"orgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28", "shortName": "Chrome", "dateUpdated": "2026-04-08T21:21:07.218Z"}, "references": [{"url": "https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html"}, {"url": "https://issues.chromium.org/issues/490139441"}]}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-352", "lang": "en", "description": "CWE-352 Cross-Site Request Forgery (CSRF)"}]}, {"descriptions": [{"type": "CWE", "cweId": "CWE-346", "lang": "en", "description": "CWE-346 Origin Validation Error"}]}], "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": "2026-04-09T14:31:29.467482Z", "id": "CVE-2026-5918", "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": "2026-04-09T14:32:05.359Z"}}]}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Inappropriate implementation in Navigation in Google Chrome prior to 147.0.7727.55 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)"}], "id": "CVE-2026-5918", "lastModified": "2026-04-09T15:16:17.427", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2026-04-08T22:16:31.570", "references": [{"source": "chrome-cve-admin@google.com", "url": "https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html"}, {"source": "chrome-cve-admin@google.com", "url": "https://issues.chromium.org/issues/490139441"}], "sourceIdentifier": "chrome-cve-admin@google.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-346"}, {"lang": "en", "value": "CWE-352"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "chromium-browser: Inappropriate implementation in Navigation", "id": "2456804", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2456804"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.9", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N", "status": "draft"}, "cwe": "CWE-346", "details": ["An inappropriate implementation flaw was found in the Navigation component of the Chromium browser.\nUpstream bug(s):\nhttps://code.google.com/p/chromium/issues/detail?id=490139441"], "name": "CVE-2026-5918", "public_date": "2026-04-07T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-5918\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-5918\nhttps://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html\nhttps://issues.chromium.org/issues/490139441"], "statement": "Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.", "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[147.0.7727.55,147.0.7727.55)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Chrome", "source": "cna", "vendor": "Google"}, "product": "chrome", "vendor": "google"}], "analysis": {"en": {"generated_at": "2026-04-09T17:05:43.530619+00:00", "value": {"mitigation_remediation": ["Update Google Chrome to at least version 147.0.7727.55", "Enable automatic updates for the Chrome browser"], "summary": {"action": "Patch ASAP", "impact": "Cross\u2011origin Data Leak"}, "threat_synthesis": {"affected_systems": "Affected product is Google Chrome on desktop. All releases prior to version 147.0.7727.55 are vulnerable, as the issue was fixed in that update. Users of the stable channel who have not applied the update remain at risk.", "description_and_impact": "The flaw in Chrome\u2019s navigation implementation permits a cross\u2011origin data leak when an attacker has already compromised the renderer process. By serving a crafted HTML page, the attacker can read data originating from a different origin that should not be exposed, resulting in unauthorized disclosure of private information.", "risk_and_exploitability": "The CVSS score of 4.3 categorizes the vulnerability as low severity, and the EPSS score of less than 1\u202f% indicates a very low likelihood of exploit. The vulnerability is not listed in the CISA KEV catalog. Exploitation requires the attacker to already control the renderer process and deliver a malicious HTML document, a scenario inferred from the description. The attack path is thus constrained and not broadly applicable."}}}}, "created": "2026-04-09T08:16:36.810232+00:00", "updated": "2026-04-10T09:33:19.596205+00:00", "vendors": ["google", "google$PRODUCT$chrome"]}