Cleartext transmission in HeyCyan Android app network configuration
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Attack requirements
- None
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-319.
Summary
HeyCyan App from 1.0.103 on Android has a weakness in the Network Security Configuration component of AndroidManifest.xml. The flaw can lead to sensitive information being sent in cleartext (CWE-319). A remote attacker can trigger it without privileges, but the attack requires a high level of complexity and is reported as difficult to exploit.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Description from the CNA
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | HeyCyan App | 1.0.103 | — | No fix listed | CNA |
- HeyCyan App Vendor— Affected 1.0.103 Fixed in — No fix listed CNA
CPE names CNA · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:heycyan_app:heycyan_app:*:*:*:*:*:*:*:* | — | — | — |
- cpe:2.3:a:heycyan_app:heycyan_app:*:*:*:*:*:*:*:* Versions — — ·—
Remediation
The sources list no fixed version for HeyCyan App.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Timeline
- 2026-10-26 Threatist record created from CVE-2026-116105
- 2026-10-26 1 new reference · CNA
- 2026-10-26 CISA SSVC decision points changed
- 2026-10-26 Priority changed: MEDIUM → LOW
- 2026-10-27 Alias added: GHSA-6qxx-xgg9-2xr8
References
Sources
- CVE-2026-116105 · CVE Program
- CVE-2026-116105 · NVD
- FIRST EPSS
- GHSA-6qxx-xgg9-2xr8 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences