CVE-2026-124874
Received
Received - Intake
Same-Origin Policy Bypass in Firefox Networking HTTP Component
Vulnerability report for CVE-2026-124874, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-11-10
Last updated on: 2026-11-10
Assigner: Mozilla Corporation
Description
Description
Same-origin policy bypass in the Networking: HTTP component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, and Firefox ESR 153.7.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| mozilla | firefox | From 160 (inc) |
| mozilla | firefox_esr | From 115.45 (inc) |
| mozilla | firefox_esr | From 153.7 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |