CVE-2026-87482: Cleartext transmission of sensitive data in Google Chrome
Description
A vulnerability in Google Chrome on iOS prior to version 153.0.8010.36 allows cleartext transmission of sensitive data during HttpsUpgrades. This flaw could enable a remote attacker to leak sensitive information via crafted network traffic. The issue has a medium severity rating and a CVSS score of 5.9.
CVSS v3.1
Score 5.9medium
Affected software
Chrome
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-87482 describes a security vulnerability in Google Chrome on iOS versions before 153.0.8010.36 where sensitive data is transmitted in cleartext during HttpsUpgrades. This allows a remote attacker to potentially intercept and leak sensitive information by exploiting crafted network traffic. The vulnerability is rated medium severity with a CVSS 3.1 base score of 5.9, reflecting network attack vector, high attack complexity, no privileges required, no user interaction, and impact on confidentiality only.
Potential Impact
The vulnerability could lead to unauthorized disclosure of sensitive information transmitted by the browser during HttpsUpgrades on affected Chrome versions on iOS. There is no indication of integrity or availability impact. No known exploits in the wild have been reported.
Mitigation Recommendations
Google has released an update to Chrome for iOS that addresses this vulnerability in version 153.0.8010.36. Users should update to this version or later to remediate the issue. Patch status is confirmed by the vendor advisory. No additional mitigation steps are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-09-08T22:38:19.426Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html","vendor":"Google"}]
Threat ID: 6aa0b173acd9273b49811a24
Added to database: 09/09/2026, 01:08:03 UTC
Last enriched: 09/17/2026, 01:28:12 UTC
Last updated: 10/23/2026, 15:12:05 UTC
Views: 39
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