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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.

PUBLISHED Reserved 2026-03-16 | Published 2026-03-16 | Updated 2026-03-16 | Assigner VulDB




LOW: 2.0CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
LOW: 2.5CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
LOW: 2.5CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
1.0AV:L/AC:H/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:UR

Problem types

Unprotected Storage of Credentials

Credentials Management

Product status

0.12.0
affected

0.12.1
affected

0.12.2
affected

0.12.3
affected

0.12.4
affected

0.12.5
affected

0.12.6
affected

Timeline

2026-03-16:Advisory disclosed
2026-03-16:VulDB entry created
2026-03-16:VulDB entry last update

Credits

fxizenta (VulDB User) reporter

VulDB coordinator

References

vuldb.com/?id.351209 (VDB-351209 | CityData CityChat ai.citydata.citychat credentials.json credentials storage) vdb-entry

vuldb.com/?ctiid.351209 (VDB-351209 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/?submit.771436 (Submit #771436 | CITYDATA CityChat(ai.citydata.citychat) 0.12.6 Google Cloud Service Account Key Exposure) third-party-advisory

www.notion.so/...3f97fb80ca9739ebc6329c8449?source=copy_link exploit

cve.org (CVE-2026-4251)

nvd.nist.gov (CVE-2026-4251)

Download JSON