CVE-2026-103417 — Saved credentials can be autofilled after cross-origin navigation
Firefox for iOS could autofill saved credentials into a new page if cross-origin navigation occurred while the saved-login UI was open. Autofill was not bound to the originating…
Published: 2026-10-13 · CVSS: 5.5 · CVSS 3.1
Firefox for iOS could autofill saved credentials into a new page if cross-origin navigation occurred while the saved-login UI was open. Autofill was not bound to the originating page or rejected when its origin changed. This vulnerability was fixed in Firefox for iOS 157.1.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7