CVE-2026-59561

Severity: high (CVSS 8.4 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-24 · updated 2026-10-12
Weakness: CWE-78

Description

Sakura Editor provided by Sakura Editor Development Community contains an OS command injection vulnerability. If a victim user is directed to edit a file in a crafted directory, arbitrary OS command may be executed on the user's PC when the user invokes "Open Terminal".

Affected products

Sakura Editor Development Community Sakura Editor: before 2.4.3 — fixed in 2.4.3

How to fix

Upgrade to a fixed version: Sakura Editor Development Community Sakura Editor 2.4.3. Check the vendor advisory for mitigations.

References

https://github.com/sakura-editor/sakura/releases/tag/v2.4.3
https://github.com/sakura-editor/sakura/security/advisories/GHSA-6x2x-729r-wjh5
https://jvn.jp/en/jp/JVN74538868/

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