{"id":"CVE-2026-11284","state":"PUBLISHED","title":"Side-channel information leakage in PerformanceAPIs in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium s","description":"Side-channel information leakage in PerformanceAPIs in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)","publishedAt":"2026-06-04T23:06:18.114Z","updatedAt":"2026-06-05T19:15:02.693Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","source":"CISA-ADP"},"assigner":"Chrome","products":["Google Chrome"],"affected":[{"vendor":"Google","product":"Chrome","versions":[{"version":"149.0.7827.53","status":"affected","lessThan":"149.0.7827.53","versionType":"custom"}]}],"references":["https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html","https://issues.chromium.org/issues/502073069"],"weaknesses":["CWE-1300","CWE-203"],"ingestedAt":"2026-10-29T20:10:52.580Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/11xxx/CVE-2026-11284.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-11284","state":"PUBLISHED","datePublished":"2026-06-04T23:06:18.114Z","dateUpdated":"2026-06-05T19:15:02.693Z","assignerShortName":"Chrome","assignerOrgId":"ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28","dateReserved":"2026-06-04T17:11:15.167Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Side-channel information leakage in PerformanceAPIs in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)"}],"affected":[{"vendor":"Google","product":"Chrome","versions":[{"version":"149.0.7827.53","status":"affected","lessThan":"149.0.7827.53","versionType":"custom"}]}],"references":[{"url":"https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html"},{"url":"https://issues.chromium.org/issues/502073069"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1300","lang":"en","description":"Side-channel information leakage"}]}],"providerMetadata":{"shortName":"Chrome","orgId":"ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28","dateUpdated":"2026-06-04T23:06:18.114Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":6.5,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","integrityImpact":"NONE","userInteraction":"REQUIRED","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-06-05T19:14:55.574938Z","id":"CVE-2026-11284","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1300","type":"CWE","lang":"en","description":"CWE-1300 Improper Protection of Physical Side Channels"}]},{"descriptions":[{"cweId":"CWE-203","type":"CWE","lang":"en","description":"CWE-203 Observable Discrepancy"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-05T19:15:02.693Z"}}]}}}