CityData CityChat ai.citydata.citychat credentials.json credentials storage

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-4251
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-03-16 17:16:31 UTC
Updated2026-04-29 01:00:01 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v4.0 1.1 LOW from [email protected]

CVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS: 0.000140000 probability, percentile 0.026900000 (date 2026-04-22)

Problem Types: CWE-255 | CWE-256 | CWE-256 Unprotected Storage of Credentials | CWE-255 Credentials Management

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary1.1LOWCVSS: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/C...
4.0CNADECLARED2LOWCVSS: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
3.1[email protected]Primary2.5LOWCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
3.1CNADECLARED2.5LOWCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
3.0CNADECLARED2.5LOWCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
2.0[email protected]Secondary1AV:L/AC:H/Au:S/C:P/I:N/A:N
2.0CNADECLARED1AV:L/AC:H/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:UR

CVSS v4.0 Breakdown

Attack Vector
Local
Attack Complexity
High
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

CVSS v3.0 Breakdown

Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA CityData CityChat affected 0.12.0 Not specified
CNA CityData CityChat affected 0.12.1 Not specified
CNA CityData CityChat affected 0.12.2 Not specified
CNA CityData CityChat affected 0.12.3 Not specified
CNA CityData CityChat affected 0.12.4 Not specified
CNA CityData CityChat affected 0.12.5 Not specified
CNA CityData CityChat affected 0.12.6 Not specified

References

ReferenceSourceLinkTags
vuldb.com [email protected] vuldb.com
vuldb.com [email protected] vuldb.com
vuldb.com [email protected] vuldb.com
www.notion.so/Google-Cloud-Service-Account-Key-Exposure-Leading-to-Dialogfl... [email protected] www.notion.so
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: fxizenta (VulDB User) (en)

CNA: VulDB (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-03-16T00:00:00.000ZAdvisory disclosed
CNA2026-03-16T01:00:00.000ZVulDB entry created
CNA2026-03-16T07:16:06.000ZVulDB entry last update

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