vulnerability / NVI-00013784 / Revision 1
@openhop/server: Path Traversal in Flow ID File Operations
GitHub lists this reviewed advisory for @openhop/server. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.
This report has not inspected your inventory, configuration, deployed build, reachability or evidence. A catalog listing and a severity score do not establish exposure or compromise.
01 / Meaning
Why it matters
Published affected context helps an owner decide what evidence to gather. This report has not examined your application.
8.3 high
GitHub source severity; exploitability and local consequence require separate evidence.
As of · GitHub Advisory Database
02 / Applicability
The affected context
Affected versions, configuration prerequisites and known exclusions are public. Confirm each one against the deployed service.
@openhop/server
source listed<= 0.3.5
## Path Traversal in Flow ID File Operations ### Summary `@openhop/server` passes unsanitized HTTP route parameters directly to `path.join()` when constructing filesystem paths for flow YAML files. An unauthenticated attacker who can reach the server can read arbitrary `.yaml` files accessible to the OpenHop process outside the configured flow directory, and can delete arbitrary `.yaml` files at any path reachable by the process. Because CORS is set to `origin: true` (allow all origins), a victim's browser can be used to exploit the vulnerability against a loopback-bound instance. Docker deployments bind `HOST=0.0.0.0` by default, enabling direct remote exploitation. CVSS Base Score: **8.3 (High)**. ### Details `FlowStore.filePath()` in `packages/server/src/store.ts:52–53` constructs a filesystem path by concatenating the caller-supplied `id` directly into `path.join`: ```ts // packages/server/src/store.ts:52-53 private filePath(id: string): string { return join(this.dir, `${id}.yaml`) } ``` This result is consumed by two sinks: - **Read** (`packages/server/src/store.ts:78`): `readFile(this.filePath(id), 'utf-8')` - **Delete** (`packages/server/src/store.ts:105`): `unlink(
03 / Response
What to do next
- investigate
Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.
Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system. GitHub Advisory Database
A fixed release is not deployment evidence.
Check current vendor support and compatibility. After making a change, verify the deployed build and relevant runtime conditions. Keep the evidence, owner and time. An updated lockfile alone does not prove what is running.
04 / Limits
What this report cannot establish
- Customer inventory, deployment, reachability and exploitation have not been inspected.
05 / Provenance
Sources you can inspect
Each assertion retains its source. Mirrored records may repeat one underlying publisher; additional links are not independent corroboration.
- GHSA-g72f-jw3w-mgh7 ↗
GitHub Advisory Database · vendor advisory
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Public revision history
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- Revision 1 ·
First indexed by Null; source disclosure date is shown separately.