Question 1

What is CVE-2026-16391 — CVE-2026-16391?

Accepted Answer

Information disclosure in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13.

Question 2

What is the authoritative source for CVE-2026-16391?

Accepted Answer

CVE-2026-16391 (CVE-2026-16391) is catalogued in NVD + CISA KEV + FIRST EPSS and curated for EU compliance use cases by SQUR.

CVE-2026-16391CVE-2026-16391

Description