Moderate severityNVD Advisory· Published Jul 29, 2026· Updated Jul 30, 2026
OliveTin OS Command Injection via Custom regex: Argument Type Bypassing Shell Safety Check
CVE-2026-67438
Description
OliveTin gives access to predefined shell commands from a web interface. From 3000.2.0 until 3000.17.0, the service/internal/executor/arguments.go checkShellArgumentSafety function does not treat regex: custom argument types as unsafe for Shell mode actions, allowing values that pass typeSafetyCheckRegex to be interpolated by wrapCommandInShell into an sh -c command string and enabling OS command injection. This issue is fixed in version 3000.17.0.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/OliveTin/OliveTinGo | >= 0.0.0-20251025234746-ef5a67e7b8ea, < 0.0.0-20260708084548-995ff79736f2 | 0.0.0-20260708084548-995ff79736f2 |
Affected products
1Patches
Vulnerability mechanics
References
5- github.com/advisories/GHSA-xc5w-4v5w-7x65ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-67438ghsaADVISORY
- github.com/OliveTin/OliveTin/commit/995ff79736f2bccc364448a3ece84087b550b232ghsax_refsource_MISCWEB
- github.com/OliveTin/OliveTin/releases/tag/3000.17.0ghsax_refsource_MISCWEB
- github.com/OliveTin/OliveTin/security/advisories/GHSA-xc5w-4v5w-7x65ghsax_refsource_CONFIRMWEB
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