Sensitive information disclosure via crafted network traffic
Published Sep 9, 2026 · Updated Sep 10, 2026
Improper input validation in Google Chrome Passwords before 153.0.8010.36 allows remote attackers to leak sensitive information. The public record says the Passwords component incorrectly validates crafted network traffic, but Google has not disclosed the input field, parser, or failed validation operation. Exploitation requires attacker-controlled network traffic to reach the browser; the disclosed impact is information exposure only.
Summary
What happened
Improper input validation in Google Chrome Passwords before 153.0.8010.36 allows remote attackers to leak sensitive information. The public record says the Passwords component incorrectly validates crafted network traffic, but Google has not disclosed the input field, parser, or failed validation operation. Exploitation requires attacker-controlled network traffic to reach the browser; the disclosed impact is information exposure only.
The record
- CVE
- CVE-2026-87590
- Published
- Sep 9, 2026
- Updated
- Sep 10, 2026
- Vendor
- Google Cloud
- Product
- Google Chrome
- Classifications
- CWE-20, T1185
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Sep 9, 2026CVE publishedPublication date reported by the CVE source.
- Sep 10, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=153.0.8010.36 <153.0.8010.36
What conditions does exploitation require?
What is affected?
Published CVSS scores
No CVSS assessment is available in this record.
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Public exploit references
No public exploit references are available in this record.
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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