Quick answers
- Is CVE-2026-8951 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-8951 being exploited in the wild.
- How severe is CVE-2026-8951?
- Informational severity, with a CVSS score of 4.3, published 19 May 2026.
- Which products and versions are affected?
- Mozilla Firefox for Android < 151.
- Is there a fix for CVE-2026-8951?
- A patch was published on 2026-05-19. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-8951 attacked?
- It is attacked over the network, in a network appliance.
- Am I affected by CVE-2026-8951?
- Check whether you run Mozilla Firefox for Android at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
A spoofing vulnerability was identified in the Toolbar component of Firefox for Android. The flaw allows for the potential manipulation of the browser's user interface elements, specifically the address bar or toolbar area, to display incorrect origin information. While specific technical details regarding the root cause are restricted in the associated bug report, the impact is classified as 'moderate' by Mozilla. An attacker could leverage this to conduct phishing attacks by making a malicious site appear as a trusted domain. The vulnerability is addressed in Firefox for Android version 151.
Affected products
- Mozilla Firefox for Android < 151
Timeline
- 2026-05-19: disclosed
- 2026-05-19: advisory
- 2026-05-19: patched