CVE-2026-11126
Last modified
CVE-2026-11126 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Inappropriate implementation in DevTools in Google Chrome prior to 149.0.7827.53 allowed an attacker who convinced a user to install a malicious extension to leak cross-origin data via a crafted Chrome Extension. (Chromium security severity: Medium). EPSS estimates a 0.14% chance of exploitation in the next 30 days.
Description
Inappropriate implementation in DevTools in Google Chrome prior to 149.0.7827.53 allowed an attacker who convinced a user to install a malicious extension to leak cross-origin data via a crafted Chrome Extension. (Chromium security severity: Medium)
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Chrome | < 149.0.7827.53 |
References
- https://issues.chromium.org/issues/501528031Permissions Required
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-11126?
How severe is CVE-2026-11126?
How do I fix CVE-2026-11126?
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-2026-11120Insufficient validation of untrusted input in Enterprise Rep…9.6
- CVE-2026-11121Insufficient validation of untrusted input in Skia in Google…6.5
- CVE-2026-11122Inappropriate implementation in Keyboard in Google Chrome pr…6.1
- CVE-2026-11123Uninitialized Use in ANGLE in Google Chrome prior to 149.0.7…6.5
- CVE-2026-11124Integer overflow in Skia in Google Chrome prior to 149.0.782…8.8
- CVE-2026-11125Use after free in Compositing in Google Chrome prior to 149.…8.8
- CVE-2026-11127Inappropriate implementation in WebAPKs in Google Chrome on …6.5
- CVE-2026-11128Inappropriate implementation in Web Share in Google Chrome p…6.5
- CVE-2026-11129Inappropriate implementation in Extensions in Google Chrome …6.5
- CVE-2026-11130Use after free in Media in Google Chrome prior to 149.0.7827…8.8
- CVE-2026-11131Use after free in Autofill in Google Chrome on Android prior…9.6
- CVE-2026-11132Insufficient policy enforcement in Paint in Google Chrome pr…6.5
Are you affected by CVE-2026-11126?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST