What’s Vulnerable › Vulnerabilities

CVE-2026-4251: CityData CityChat ai.citydata.citychat credentials.json credentials storage

• Severity: low (CVSS 2.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-03-16 · updated 2026-06-17
• Weakness: CWE-255

Description

A vulnerability was determined in CityData CityChat up to 0.12.6 on Android. Affected by this vulnerability is an unknown functionality of the file resources/assets/flutter_assets/assets/credentials.json of the component ai.citydata.citychat. Executing a manipulation can lead to unprotected storage of credentials. The attack requires local access. A high complexity level is associated with this attack. The exploitation appears to be difficult. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• CityData CityChat: 0.12.0, 0.12.1, 0.12.2, 0.12.3, 0.12.4, 0.12.5 (+1)

References

• https://vuldb.com/?ctiid.351209
• https://vuldb.com/?id.351209
• https://vuldb.com/?submit.771436
• https://www.notion.so/Google-Cloud-Service-Account-Key-Exposure-Leading-to-Dialogflow-Data-Access-in-ai-citydata-citychat-3192de3f97fb80ca9739ebc6329c8449?source=copy_link

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