External protocol handler (tel:) address bar spoof
CVSS score
5.4
EPSS probability
—
Risk score
0.5
Published
4 h ago
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Impact on My Inventory
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Vulnerability description
DayBreach AI Explanation
Verified against sourcesSources read
1
Source agreement
Tam uyum
Evidence confidence
%55
Short explanation
The CVE-2026-116631 vulnerability in Firefox for iOS allows a malicious web page to open a tel link, causing the phone-call prompt to appear as if requested by a different website (S0).
This vulnerability can mislead users into believing that a call prompt originated from a trusted website, facilitating social engineering attacks (S0).
What should be done?
- Follow vendor security advisories (S0)
- Adhere to official vendor guidance (S0)
Chain of evidence and sources
Kötü amaçlı bir web sayfası tel bağlantısı açarak telefon arama istemini farklı bir siteye aitmiş gibi gösterebilir.
Bu güvenlik açığı Firefox for iOS ürününü etkilemektedir.
Show the technical text from the sources
A malicious web page could open a tel link in a window that was showing a different website, causing the phone-call prompt to appear as if that site had requested the call. This vulnerability was fixed in Firefox for iOS 156.1.
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L
CWE: CWE-451
This explanation was compiled automatically from the source records. Scores, active exploitation, patch and exploit status come straight from the sources.
IMPACT: Affected Products and Software
Affected Products
The following products are affected by CVE-2026-116631 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | mozilla | Firefox for iOS | View |
RED HAT CSAF/VEX: Product Impact Check
SCORING: CVSS from Multiple Sources
CVSS Scores
The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| 5.4 | CVSS V31 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L | NVD |
| 5.4 | CVSS V3_1 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L | CVE ADP |
Patch and Remediation Guide
Solution & Remediation Advisory
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Public exploit and active exploitation status
Verified exploit intelligence
No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.
Weakness Classification and Attack Patterns (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-116631 is associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-116631 weaknesses.
Attack Vector and Accessibility
Official Sources and Advisories
Similar Vulnerabilities
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