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CVE-2026-31817 – OliveTin has unsafe parsing of UniqueTrackingId can be used to write files

Posted on March 11, 2026
CVE ID :CVE-2026-31817

Published : March 10, 2026, 10:16 p.m. | 58 minutes ago

Description :OliveTin gives access to predefined shell commands from a web interface. Prior to 3000.11.2, when the saveLogs feature is enabled, OliveTin persists execution log entries to disk. The filename used for these log files is constructed in part from the user-supplied UniqueTrackingId field in the StartAction API request. This value is not validated or sanitized before being used in a file path, allowing an attacker to use directory traversal sequences (e.g., ../../../) to write files to arbitrary locations on the filesystem. This vulnerability is fixed in 3000.11.2.

Severity: 8.5 | HIGH

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🤖 AI-Generated Patch Solution

Google Gemini (gemini-2.5-flash) • CVE: CVE-2026-31817

Unknown
N/A
⚠️ Vulnerability Description:

1. IMMEDIATE ACTIONS

Isolate Affected Systems: Immediately disconnect systems running the vulnerable component from external networks if immediate patching is not feasible. This prevents further exploitation attempts and limits potential damage.
Block Known Exploit Patterns: Deploy Web Application Firewall (WAF) or Intrusion Prevention System (IPS) rules to block suspicious network traffic patterns indicative of deserialization attacks. Look for unusual headers, content types,

💡 AI-generated — review with a security professional before acting.View on NVD →
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