CVE-2026-77825 is a vulnerability in IBM Contextforge Mcp Gateway
Published on September 24, 2026
IBM ContextForge MCP Gateway is affected by path traversal
IBM ContextForge MCP Gateway 1.0.0 through 1.0.8 was vulnerable to path traversal in its Admin API log-download endpoint (`GET /v1/admin/logs/file`). The path confinement check uses `str.startswith()` rather than proper boundary validation, allowing an authenticated admin to read `.log`, `.jsonl`, and `.json` files outside the configured `LOG_FOLDER` by supplying a filename that resolves into a sibling directory whose absolute path shares the log directory's string prefix.
Vulnerability Analysis
CVE-2026-77825 can be exploited with network access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.
Weakness Type
What is a Directory traversal Vulnerability?
The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
CVE-2026-77825 has been classified to as a Directory traversal vulnerability or weakness.
Products Associated with CVE-2026-77825
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Affected Versions
IBM ContextForge MCP Gateway:- Version 1.0.0, <= 1.0.8 is affected.