Improper Access Control in Kurt Software Studio's WriteUp Mobile App
Priority MEDIUM 40CWE-284Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-284.
Summary
Improper Access Control, Missing Authorization vulnerability in Kurt Software Studio WriteUp Mobile App allows Accessing Functionality Not Properly Constrained by ACLs. This issue affects WriteUp Mobile App: from 1.3.0 through 04062026.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00245 15th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
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 |
|---|---|---|---|---|---|
| Kurt Software Studio | WriteUp Mobile App | 1.3.0 – 04062026 | — | No fix listed | CNA |
- WriteUp Mobile App VendorKurt Software Studio Affected 1.3.0 – 04062026 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-5228
- 2026-10-03 Alias added: GHSA-q2v7-xv64-8j7v
References
Sources
- CVE-2026-5228 · CVE Program
- CVE-2026-5228 · NVD
- FIRST EPSS
- GHSA-q2v7-xv64-8j7v · 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