CVE-2026-8706 — Sensitive user data could be leaked to other applications through Reader mode

CVE-2026-8706

Sensitive user data could be leaked to other applications through Reader mode PUBLISHED

Description (CNA)

Firefox for iOS hosted Reader mode on an unauthenticated local web server, allowing another application on the same device to request arbitrary URLs and receive the response rendered with the signed-in user's cookies. This vulnerability was fixed in Firefox for iOS 151.0.

Affected (CNA)

Vendor / product	Versions
Mozilla / Firefox for iOS	unaffected 151.0 through *

CWE

No CWE identifiers supplied.

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2036618
https://www.mozilla.org/security/advisories/mfsa2026-49/

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.