Improper access control in HeyCyan App FileProvider
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Privilege escalation, Security bypass
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-266 and CWE-284.
Summary
HeyCyan App from version 1.0.103 on Android contains an improper access control flaw in its FileProvider component (CWE-284). A remote attacker can trigger the manipulation without privileges or user interaction, and the flaw leads to improper access controls.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
A security vulnerability has been detected in HeyCyan App 1.0.103 on Android. Affected by this vulnerability is an unknown functionality of the component FileProvider. The manipulation leads to improper access controls. The attack may be initiated remotely. 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
- Yes
- 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 · 2026-10-29
Timeline
- 2026-10-26 Threatist record created from CVE-2026-116106
- 2026-10-26 1 new reference · CNA
- 2026-10-26 Priority changed: MEDIUM → LOW
- 2026-10-27 Alias added: GHSA-gcgv-3j6w-p5vj
- 2026-10-29 CISA SSVC decision points changed
References
Sources
- CVE-2026-116106 · CVE Program
- CVE-2026-116106 · NVD
- FIRST EPSS
- GHSA-gcgv-3j6w-p5vj · 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