CVE-2026-12189Public exploit

Trusted UI spoofing via unvalidated WebView URL

Published Jun 14, 2026 · Updated Jun 14, 2026

Improper authorization in Moovit App 1.18 for Android allows local users to render attacker-controlled content through a crafted deep link. An exported, browsable com.moovit.web.WebViewActivity loads an externally supplied URL into its internal WebView without domain validation. A malicious Android application or user-opened deep link can place phishing or spoofed content inside Moovit's trusted interface.

CVSS severity5.3
Medium
EPSS probability0.10%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper authorization in Moovit App 1.18 for Android allows local users to render attacker-controlled content through a crafted deep link. An exported, browsable com.moovit.web.WebViewActivity loads an externally supplied URL into its internal WebView without domain validation. A malicious Android application or user-opened deep link can place phishing or spoofed content inside Moovit's trusted interface.

The record

CVE
CVE-2026-12189
Published
Jun 14, 2026
Updated
Jun 14, 2026
Vendor
Moovit
Product
Moovit App
Classifications
CWE-939, CWE-285, T1203
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 14, 2026CVE publishedPublication date reported by the CVE source.
  2. Jun 14, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.18

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Moovit · Moovit Appversion=1.18

Published CVSS scores

1.9VulDBCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
5.3VulDBCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
4.3VulDBAV:L/AC:L/Au:S/C:P/I:P/A:P

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-939Improper Authorization in Handler for Custom URL Scheme
CWE-285Improper Authorization
T1203Exploitation for Client Execution

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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