CVE-2026-121255
MEDIUMCVSS 6.5/10EPSS 0.18%
Last modified
CVE-2026-121255 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Incorrect authorization in Autofill AI in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: Medium). EPSS estimates a 0.18% chance of exploitation in the next 30 days.
Description
Incorrect authorization in Autofill AI in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Chrome | >= 157.0.8103.38, < 157.0.8103.38 |
References
Timeline
- Published
- Last Modified
- Status
- Undergoing Analysis
Frequently Asked Questions
What is CVE-2026-121255?
Incorrect authorization in Autofill AI in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
How severe is CVE-2026-121255?
CVE-2026-121255 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.
How do I fix CVE-2026-121255?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
- 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-2026-121249Buffer overflow in ANGLE in Google Chrome prior to 157.0.810…9.6
- CVE-2026-121250Use after free in Extensions in Google Chrome prior to 157.0…9.6
- CVE-2026-121251Missing authorization in V8 in Google Chrome prior to 157.0.…8.8
- CVE-2026-121252Incorrect authorization in Core in Google Chrome prior to 15…8.8
- CVE-2026-121253Missing authorization in DevTools in Google Chrome prior to …
- CVE-2026-121254Information leak in Select in Google Chrome prior to 157.0.8…6.5
- CVE-2026-121256Use of released resource in GPU in Google Chrome prior to 15…8.3
- CVE-2026-121257Use after free in TabStrip in Google Chrome prior to 157.0.8…9.6
- CVE-2026-121259A flaw was found in the GStreamer JPEG 2000 decimator in gst…6.5
- CVE-2026-12126The WCFM Marketplace – Multivendor Marketplace for WooCommer…6.4
- CVE-2026-121260A flaw has been found in Ziroom ZHOME A0101 1.0.1.0 Build 20…9.1
- CVE-2026-121261A vulnerability has been found in phpMyAdmin ShapeFile up to…4.3
Are you affected by CVE-2026-121255?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST