Question 1

What is CVE-2026-16349 — CVE-2026-16349?

Accepted Answer

Same-origin policy bypass in the DOM: Navigation component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, and Firefox ESR 140.13.

Question 2

What is the authoritative source for CVE-2026-16349?

Accepted Answer

CVE-2026-16349 (CVE-2026-16349) is catalogued in NVD + CISA KEV + FIRST EPSS and curated for EU compliance use cases by SQUR.

CVE-2026-16349CVE-2026-16349

Description