EUVD-2026-65946
GHSA-j5pf-qmg7-p639
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Network-delivered via crafted page requiring victim visit (UI:R, PR:N); only partial cross-origin data readable (C:L); no integrity or availability impact applies.
Primary rating from Vendor (Chrome).
CVSS VectorVendor: Chrome
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Lifecycle Timeline
4DescriptionCVE.org
Information leak in Canvas in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
AnalysisAI
Cross-origin data leakage in Google Chrome's Canvas API (versions prior to 152.0.7977.65) allows a remote, unauthenticated attacker to read pixel-level data from cross-origin resources rendered in a canvas element via a crafted HTML page. Exploitation requires user interaction - the victim must visit an attacker-controlled page - and impact is limited to partial confidentiality loss (C:L), with no integrity or availability consequences. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The victim must visit an attacker-controlled HTML page using an unpatched version of Google Chrome prior to 152.0.7977.65 (UI:R per CVSS). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 base score of 4.3 (Medium) is grounded in a network-reachable attack (AV:N), low complexity (AC:L), no attacker privileges required (PR:N), mandatory user interaction (UI:R), unchanged scope (S:U), and limited confidentiality impact (C:L) with no integrity or availability impact - a profile consistent with a browser-based information disclosure requiring social engineering. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker hosts a crafted HTML page that embeds a cross-origin resource (such as an authenticated image or rendered iframe from a victim's banking or intranet portal) into a canvas element, then uses canvas pixel-readback APIs to extract rendered pixel data that should be opaque to script. When an authenticated victim user visits the attacker's page, the attacker's JavaScript reads the cross-origin pixel data and exfiltrates it to a remote server, potentially exposing sensitive UI content. … |
| Remediation | Vendor-released patch: Chrome 152.0.7977.65. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-200 – Information Exposure
View allSame technique Information Disclosure
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External POC / Exploit Code
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