{"id":"CVE-2026-120987","aliases":["EUVD-2026-115692","GHSA-w838-4h8q-4jvq"],"status":"published","title":"Whale Browser before 5.39.412.57 allows an attacker to bypass the iframe sandbox in a dual-tab...","description":"Whale Browser before 5.39.412.57 allows an attacker to bypass the iframe sandbox in a dual-tab environment.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00145,"percentile":0.0382,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-346"],"published":"2026-11-03T06:42:16Z","modified":"2026-11-06T18:41:55Z","products":[{"vendor":"naver","product":"naver whale browser"}],"references":[{"url":"https://cve.naver.com/detail/cve-2026-120987.html","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-120987"},{"url":"https://github.com/advisories/GHSA-w838-4h8q-4jvq"}],"sources":{"cve":[{"id":"CVE-2026-120987","description":"Whale Browser before 5.39.412.57 allows an attacker to bypass the iframe sandbox in a dual-tab environment.","status":"published","published":"2026-11-03T06:42:16.816Z","modified":"2026-11-06T18:41:55.449Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"adp"}],"cwes":["CWE-346"],"updated_at":"2026-11-06T19:59:19.701997Z"}],"euvd":[{"id":"EUVD-2026-115692","description":"Whale Browser before 5.39.412.57 allows an attacker to bypass the iframe sandbox in a dual-tab environment.","status":"published","published":"2026-11-03T06:42:16Z","modified":"2026-11-06T18:41:55Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-06T20:06:05.664912Z"}],"ghsa":[{"id":"GHSA-w838-4h8q-4jvq","title":"Whale Browser before 5.39.412.57 allows an attacker to bypass the iframe sandbox in a dual-tab...","description":"Whale Browser before 5.39.412.57 allows an attacker to bypass the iframe sandbox in a dual-tab environment.","status":"published","published":"2026-11-03T09:31:41Z","modified":"2026-11-06T21:32:14Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-346"],"updated_at":"2026-11-06T21:34:16.869182Z"}],"nvd":[{"id":"CVE-2026-120987","description":"Whale Browser before 5.39.412.57 allows an attacker to bypass the iframe sandbox in a dual-tab environment.","status":"published","published":"2026-11-03T07:18:21.527Z","modified":"2026-11-06T19:17:43.14Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-346"],"updated_at":"2026-11-06T22:02:16.310898Z"}]}}