EUVD-2026-74338
GHSA-jp6c-hf5w-2834
Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Network-delivered attack (AV:N) requiring specific crafted traffic conditions (AC:H); no authentication or interaction needed; confidentiality-only impact via credential leakage (C:H/I:N/A:N).
Primary rating from Vendor (Chrome).
CVSS VectorVendor: Chrome
Lifecycle Timeline
5DescriptionCVE.org
Improper input validation in Passwords in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to potentially leak sensitive information via crafted network traffic. (Chromium security severity: Medium)
AnalysisAI
Improper input validation in Chrome's built-in Passwords component (all versions prior to 153.0.8010.36) enables a remote, unauthenticated attacker to potentially leak sensitive stored credential data via crafted network traffic. The flaw is rated CVSS 5.9 (AC:H), with Chromium assigning a 'Medium' severity consistent with the meaningful exploitation complexity required. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the attacker to deliver crafted network traffic directly to the target Chrome instance, implying either network adjacency (shared LAN or Wi-Fi) or an established man-in-the-middle position on the network path between Chrome and a remote endpoint. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 5.9 base score (AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N) captures a meaningful tension: the C:H metric signals that successful exploitation could expose full confidentiality of stored passwords, yet AC:H substantially limits the realistic attacker population to those capable of delivering specially crafted network traffic. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade Google Chrome to version 153.0.8010.36 or later, which resolves this vulnerability per the vendor's stable channel release advisory (chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html). … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-20 – Improper Input Validation
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External POC / Exploit Code
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