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High, CVSS 7.5amended

Directory Traversal in tmock

CVE-2017-16106GHSA-j6w4-pg6p-5mrv

What to do

Vendor response not established. Follow the primary source's mitigation guidance and check back for a fix.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

  • npm tmock

    Affected
    <= 0.0.7
    Fixed in
    no fixed version recorded

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
7.5 · CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
  • CVE-2017-16106: 1.97% estimated exploitation activity in the next 30 days; percentile 80.48 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.
Source description

As published by the source; long descriptions are shortened.

tmock is a static file server. tmock is vulnerable to a directory traversal issue, giving an attacker access to the filesystem by placing "../" in the url. Example request: and server Response: Recommendation No patch is available for this vulnerability. It is recommended that the package is only used for local development, and if the functionality is needed for production, a different package is used instead.

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 2 · amended ·

    Amended from ghsa record GHSA-j6w4-pg6p-5mrv

  2. Revision 1 · created ·

    Published from osv record GHSA-j6w4-pg6p-5mrv

Agent brief

Preview the exact text before you copy it. Commands are read-only suggestions; review them before running anything.

# Patch Next advisory brief: CVE-2017-16106

Advisory: Directory Traversal in tmock
IDs: CVE-2017-16106, GHSA-j6w4-pg6p-5mrv
Record: https://patchnext.com/advisories/cve-2017-16106 (revision 2, source checked 26 Oct 2026, 12:26 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: High (CVSS 7.5)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor response not established. A vendor fix does not mean a deployment is fixed.

## Affected components
- npm tmock: affected <= 0.0.7

## Suggested inspection (read-only)
- `npm ls tmock --all`: lists every installed copy and version, including transitive ones. Run in the project root after `npm ci`.

## Supported action
No complete vendor fix is recorded. Follow the primary source's mitigation guidance and check this record again before closing anything.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on tmock.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://osv.dev/vulnerability/GHSA-j6w4-pg6p-5mrv (OSV record GHSA-j6w4-pg6p-5mrv lists affected ranges: npm tmock >=0 <=0.0.7)
- Verified: https://github.com/advisories/GHSA-j6w4-pg6p-5mrv (GitHub-reviewed advisory GHSA-j6w4-pg6p-5mrv lists affected ranges: npm tmock >=0 <=0.0.7)

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