Vulnerability · Published Apr 16, 2026 · Assigned by twcert
CVE-2026-6349HGiga｜iSherlock - OS Command Injection
Critical 9.8
In plain English
A critical-severity OS command injection in iSherlock-audit-4.5 from HGiga. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.0% (higher than 81% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)2.0%top 18.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
The iSherlock developed by HGiga has an OS Command Injection vulnerability, allowing unauthenticated local attackers to inject arbitrary OS commands and execute them on the server.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| HGiga | iSherlock-base-4.5 | 0 – before 476 |
| HGiga | iSherlock-audit-4.5 | 0 – before 261 |
| HGiga | iSherlock-base-5.5 | 0 – before 476 |
| HGiga | iSherlock-audit-5.5 | 0 – before 261 |
Weakness: CWE-78 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- https://www.twcert.org.tw/tw/cp-132-10842-3f255-1.html third-party-advisory
- https://www.twcert.org.tw/en/cp-139-10841-4f504-2.html third-party-advisory