CVE-2026-103417

Published: Oct 13, 2026Modified: Oct 13, 2026Deferred

5.5

Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Exploitability: 1.8 / Impact: 3.6

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

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.

Related CWEs

CWE-346

Origin Validation Error

The product does not properly verify that the source of data or communication is valid.

References (2)

https://bugzilla.mozilla.org/show_bug.cgi?id=2068171

Source: security@mozilla.org

https://www.mozilla.org/security/advisories/mfsa2026-105/

Source: security@mozilla.org

Timeline

No history available yet.