CVE-2026-5228

Name: CVE-2026-5228
Creator: NVD / NIST
Published: 2026-06-04T16:16:39.64+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.24%

Last modified Jun 17, 2026

CVE-2026-5228 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 0.24% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

0.24%

15.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

References

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0310

Timeline

Published: Jun 4, 2026
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2026-5228?

How severe is CVE-2026-5228?

CVE-2026-5228 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.

How do I fix CVE-2026-5228?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-5228?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST