CVE-2026-8706

medium

Published 2026-05-19 · Modified 2026-05-20

CVSS v3

6.5

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

CVSS v2

—

VIR risk

6.5

Description

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.

Predictions

Exploit likelihood

65%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2026-8706.html

vendor Authored 2026-05-27

Vendor advisory: security@mozilla.org — https://www.mozilla.org/security/advisories/mfsa2026-49/

OS impact

OS	Version	Status	Fixed in
sles		affected

Application impact

Vendor	Product	Versions	Fixed
mozilla	firefox	`{"endExcluding":"151.0"}`	`151.0`

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2036618
https://www.mozilla.org/security/advisories/mfsa2026-49/
https://www.suse.com/security/cve/CVE-2026-8706.html

CWEs

CWE-200 CWE-306

Verify integrity in audit chain (admin only). AS-IS.