EUVD-2026-65859
GHSA-v3jv-vg2v-325c
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 active user navigation (UI:R); no privileges needed; only low confidentiality loss from canvas pixel read-back; no integrity or availability impact.
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 bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)
AnalysisAI
Canvas API information leak in Google Chrome prior to 152.0.7977.65 enables remote attackers to bypass the Same-Origin Policy and read cross-origin pixel data via a crafted HTML page. Exploitation requires user interaction (visiting the malicious page) and results in low confidentiality impact - pixel-level canvas data leakage rather than credential or file system exposure. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the victim to actively visit a crafted HTML page (UI:R is mandatory - passive drive-by without user navigation is not possible). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | CVSS 4.3 Medium (AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N) accurately captures the risk profile: remotely reachable but gated by mandatory user interaction, with only low confidentiality impact and no integrity or availability consequence. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker hosts a crafted HTML page containing JavaScript that uses Canvas API read-back operations on cross-origin image or WebGL content to extract pixel data that Chrome's origin policy should block. When a victim visits the page (e.g., via a phishing link or malicious advertisement), the page silently reads and exfiltrates the leaked pixel data to an attacker-controlled endpoint. … |
| Remediation | Update Google Chrome to version 152.0.7977.65 or later, the vendor-confirmed fixed release. … 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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