{"affected":[{"product":"Chrome","source":"CNA: Chrome","vendor":"Google","versions":[{"lessThan":"157.0.8103.38","status":"affected","version":"157.0.8103.38","versionType":"custom"}]}],"cveId":"CVE-2026-121039","cwes":["CWE-863"],"description":"Incorrect authorization in Proxy Auth in Google Chrome prior to 157.0.8103.38 allowed an adjacent attacker to obtain sensitive information via crafted network traffic. (Chromium security severity: Medium)","epss":{"date":"2026-11-04","percentile":0.02509,"score":0.00128},"exploits":[],"kev":null,"metrics":[{"score":5.3,"severity":"medium","source":"ADP: CISA-ADP","vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"}],"modifiedAt":1793818449343,"publishedAt":1793738563250,"references":[{"source":"CNA: Chrome","tags":[],"url":"https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop.html"},{"source":"CNA: Chrome","tags":[],"url":"https://issues.chromium.org/issues/533454968"},{"source":"chrome-cve-admin@google.com","tags":[],"url":"https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop.html"},{"source":"chrome-cve-admin@google.com","tags":[],"url":"https://issues.chromium.org/issues/533454968"}],"remediation":[],"revision":"7b62aef23d3ffa92cfdb5eb284b35a5d3a87948ca7306c258805c0d3459cc3b1","sources":[{"modifiedAt":1793818449343,"name":"CNA: Chrome","retrievedAt":1793819361535,"url":"https://www.cve.org/CVERecord?id=CVE-2026-121039"},{"modifiedAt":1793740627680,"name":"NVD","retrievedAt":1793751723073,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121039"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793819367977,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-121039"}],"ssvc":{"assessedAt":1793818446332,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"CVE-2026-121039","updatedAt":1793819367977}