CVE-2026-17871: Inappropriate implementation in Google Chrome
CVE-2026-17871 is a medium severity vulnerability in Google Chrome's password management prior to version 151.0.7922.72. It allows a remote attacker to leak cross-origin data by convincing a user to perform specific UI gestures on a crafted HTML page. The vulnerability does not require privileges and involves user interaction. No known exploits are reported in the wild. A vendor advisory is available but does not explicitly state the patch status.
AI Analysis
Technical Summary
This vulnerability arises from an inappropriate implementation in the password handling component of Google Chrome before version 151.0.7922.72. It enables a remote attacker to leak data from other origins by tricking a user into performing certain UI gestures on a maliciously crafted HTML page. The CVSS 3.1 score is 4.3 (medium), reflecting low impact on confidentiality and no impact on integrity or availability. The vulnerability is tracked as CWE-346 (Origin Validation Error).
Potential Impact
An attacker who convinces a user to interact with a specially crafted webpage can cause cross-origin data leakage. This compromises confidentiality of data accessible to the browser but does not affect integrity or availability. There are no reports of active exploitation in the wild.
Mitigation Recommendations
The vendor advisory linked corresponds to a stable channel update for Chrome but does not explicitly confirm patch availability for this vulnerability. Since the affected version is prior to 151.0.7922.72, updating to version 151.0.7922.72 or later is recommended to remediate the issue. Patch status is not explicitly confirmed; users should consult the vendor advisory for the latest remediation guidance.
CVE-2026-17871: Inappropriate implementation in Google Chrome
Description
CVE-2026-17871 is a medium severity vulnerability in Google Chrome's password management prior to version 151.0.7922.72. It allows a remote attacker to leak cross-origin data by convincing a user to perform specific UI gestures on a crafted HTML page. The vulnerability does not require privileges and involves user interaction. No known exploits are reported in the wild. A vendor advisory is available but does not explicitly state the patch status.
CVSS v3.1
Score 4.3medium
Affected software
Chrome
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability arises from an inappropriate implementation in the password handling component of Google Chrome before version 151.0.7922.72. It enables a remote attacker to leak data from other origins by tricking a user into performing certain UI gestures on a maliciously crafted HTML page. The CVSS 3.1 score is 4.3 (medium), reflecting low impact on confidentiality and no impact on integrity or availability. The vulnerability is tracked as CWE-346 (Origin Validation Error).
Potential Impact
An attacker who convinces a user to interact with a specially crafted webpage can cause cross-origin data leakage. This compromises confidentiality of data accessible to the browser but does not affect integrity or availability. There are no reports of active exploitation in the wild.
Mitigation Recommendations
The vendor advisory linked corresponds to a stable channel update for Chrome but does not explicitly confirm patch availability for this vulnerability. Since the affected version is prior to 151.0.7922.72, updating to version 151.0.7922.72 or later is recommended to remediate the issue. Patch status is not explicitly confirmed; users should consult the vendor advisory for the latest remediation guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-07-27T23:35:08.750Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html","vendor":"Google"}]
Threat ID: 6a6aa09e9c2644c7f849b7be
Added to database: 07/30/2026, 00:53:50 UTC
Last enriched: 08/06/2026, 17:37:37 UTC
Last updated: 09/11/2026, 07:31:52 UTC
Views: 46
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