Quick answers
- Is CVE-2026-21131 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-21131 being exploited in the wild.
- How severe is CVE-2026-21131?
- Informational severity, published 12 October 2026.
- Which products and versions are affected?
- Samsung Flow prior to 4.9.22.4.
- Is there a fix for CVE-2026-21131?
- Yes: fixed in Samsung Flow 4.9.22.4. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-21131 attacked?
- It is attacked with local access.
- Am I affected by CVE-2026-21131?
- Check whether you run Samsung Flow at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
How to fix
- Fixed in: Samsung Flow 4.9.22.4
Technical details
A default permission misconfiguration in Samsung Flow prior to version 4.9.22.4 allows local attackers to launch arbitrary activities with Samsung Flow privileges. The vulnerability requires local access and affects connected devices. Samsung fixed this by correcting the permission model in version 4.9.22.4 and later.
Affected products
- Samsung Samsung Flow prior to 4.9.22.4
Timeline
- 2026-10-12: disclosed