CVE-2026-3846
Medium
Description
Same-origin policy bypass in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 148.0.2.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Mozilla Firefox
PublishedMar 10, 2026
First seenMar 10, 2026
Weakness typeCWE-346CWE-346
How to fix
Update
- mozilla firefox148.0.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 148.0.2 | 148.0.2 |
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