CVE-2026-109772

critical · 9.1

Same-origin policy bypass in the DevTools component. This vulnerability was fixed in Firefox 158 and Thunderbird 158.

9.1

CVSS

0.2%

EPSS (exploit prob.)

5th

EPSS percentile

2026-10-13

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Weaknesses

CWE-346

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-109772