CVE-2026-17870
Last modified
CVE-2026-17870 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Insufficient validation of untrusted input in Cast in Google Chrome prior to 151.0.7922.72 allowed an attacker on the local network segment to leak cross-origin data via malicious network traffic. (Chromium security severity: Medium). EPSS estimates a 0.10% chance of exploitation in the next 30 days.
Description
Insufficient validation of untrusted input in Cast in Google Chrome prior to 151.0.7922.72 allowed an attacker on the local network segment to leak cross-origin data via malicious network traffic. (Chromium security severity: Medium)
Metrics
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Chrome | < 151.0.7922.72 |
References
- https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.htmlRelease Notes, Vendor Advisory
- https://issues.chromium.org/issues/521784856Permissions Required
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-17870?
How severe is CVE-2026-17870?
How do I fix CVE-2026-17870?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-17865Inappropriate implementation in Crypto in Google Chrome on M…9.6
- CVE-2026-17866Type Confusion in Tab in Google Chrome on Android prior to 1…5.8
- CVE-2026-17867Insufficient validation of untrusted input in Dawn in Google…7.1
- CVE-2026-17868Insufficient policy enforcement in USB in Google Chrome prio…8.8
- CVE-2026-17869Out of bounds read in WebXR in Google Chrome prior to 151.0.…8.1
- CVE-2026-1787The LearnPress Export Import – WordPress extension for Learn…4.8
- CVE-2026-17871Inappropriate implementation in Passwords in Google Chrome p…4.3
- CVE-2026-17872Cryptographic Flaw in WebAppInstalls in Google Chrome on And…6.1
- CVE-2026-17873Insufficient policy enforcement in Chrome for iOS in Google …6.5
- CVE-2026-17874Inappropriate implementation in Chrome for iOS in Google Chr…5.4
- CVE-2026-17875Use after free in PDFium in Google Chrome prior to 151.0.792…8.8
- CVE-2026-17876Inappropriate implementation in Payments in Google Chrome pr…4.3
Are you affected by CVE-2026-17870?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST