HeyCyan App Network Security Configuration AndroidManifest.xml cleartext transmission

A weakness has been identified in HeyCyan App 1.0.103 on Android. Affected is an unknown function of the file AndroidManifest.xml of the component Network Security Configuration. Executing a manipulation can lead to cleartext transmission of sensitive information. The attack can be launched remotely. The attack requires a high level of complexity. The exploitability is told to be difficult. The vendor was contacted early about this disclosure but did not respond in any way.

Source published

26 Oct 2026 01:15:18 UTC

Source modified

26 Oct 2026 06:10:46 UTC

Observed here

26 Oct 2026 08:20:49 UTC

Source terms

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CVSS 4.0 · 6.3 CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X

CVSS 3.1 · 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:X/RL:X/RC:C

CVSS 3.0 · 3.7 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:X/RL:X/RC:C

CVSS 2.0 · 2.6 AV:N/AC:H/Au:N/C:P/I:N/A:N/E:ND/RL:ND/RC:C