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Malicious code in @factiii/runner (npm)

GHSA-9j83-qj34-g5vc

Withdrawn: the source no longer stands behind this advisory.

What to do

The source withdrew this advisory. Do not act on it without new evidence.

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 @factiii/runner

    Affected
    >= 0.28.0, <= 0.28.0>= 0.33.0, <= 0.33.0>= 0.35.0, <= 0.35.0>= 0.26.2, <= 0.26.2>= 0.16.0, <= 0.16.0>= 0.22.0, <= 0.22.0>= 0.26.0, <= 0.26.0>= 0.18.1, <= 0.18.1>= 0.20.1, <= 0.20.1>= 0.18.0, <= 0.18.0>= 0.26.1, <= 0.26.1>= 0.22.1, <= 0.22.1>= 0.17.0, <= 0.17.0>= 0.20.0, <= 0.20.0>= 0.19.0, <= 0.19.0>= 0.23.2, <= 0.23.2>= 0.21.0, <= 0.21.0>= 0.17.1, <= 0.17.1>= 0.25.0, <= 0.25.0>= 0.36.0, <= 0.36.0>= 0.37.0, <= 0.37.0
    Fixed in
    no fixed version recorded

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
not scored
EPSS
No dated EPSS signal available.
Source description

As published by the source; long descriptions are shortened.

--- _-= Per source details. Do not edit below this line.=-_

Source: amazon-inspector (ca4c4794df8d9ce74d46f674a9e583b9a296e9fea534e654a5b5dfd46c1a342a) @factiii/runner is a remote-development bridge that pairs the installer's machine with Factiii's mobile/web clients over WebRTC through api.factiii.com, enabling Claude/Codex coding agents to drive tmux sessions and shell commands on the installer's host. The capability is the product and is openly documented in the package description and README. The channel is started only by the user explicitly invoking the `factiii-runner start` CLI; there is no install or import lifecycle hook that brings it up automatically, and no boot/login persistence is installed. Authentication uses a pairing JWT stored in config.json plus a per-session FACTIII_SECRETS_TOKEN, and the bundled factiii-secrets daemon requires per-command owner authorization before executing (declining with an explicit owner-refused message). The control plane is first-party…

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 5 · withdrawn ·

    Withdrawn upstream: osv record MAL-2026-18204

  2. Revision 4 · amended ·

    Amended from osv record MAL-2026-18204

  3. Revision 3 · amended ·

    Amended from osv record MAL-2026-18204

  4. Revision 2 · amended ·

    Amended from osv record MAL-2026-18204

  5. Revision 1 · created ·

    Published from osv record MAL-2026-18204

Agent brief

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

# Patch Next advisory brief: GHSA-9j83-qj34-g5vc

Advisory: Malicious code in @factiii/runner (npm)
IDs: GHSA-9j83-qj34-g5vc
Record: https://patchnext.com/advisories/mal-2026-18204 (revision 5, source checked 2 Nov 2026, 06:00 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Unrated
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.
Status: WITHDRAWN upstream. Do not act on this record without new evidence.

## Affected components
- npm @factiii/runner: affected >= 0.28.0, <= 0.28.0; >= 0.33.0, <= 0.33.0; >= 0.35.0, <= 0.35.0; >= 0.26.2, <= 0.26.2; >= 0.16.0, <= 0.16.0; >= 0.22.0, <= 0.22.0; >= 0.26.0, <= 0.26.0; >= 0.18.1, <= 0.18.1; >= 0.20.1, <= 0.20.1; >= 0.18.0, <= 0.18.0; >= 0.26.1, <= 0.26.1; >= 0.22.1, <= 0.22.1; >= 0.17.0, <= 0.17.0; >= 0.20.0, <= 0.20.0; >= 0.19.0, <= 0.19.0; >= 0.23.2, <= 0.23.2; >= 0.21.0, <= 0.21.0; >= 0.17.1, <= 0.17.1; >= 0.25.0, <= 0.25.0; >= 0.36.0, <= 0.36.0; >= 0.37.0, <= 0.37.0

## Suggested inspection (read-only)
- `npm ls @factiii/runner --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 @factiii/runner.
- 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/MAL-2026-18204 (OSV record MAL-2026-18204 lists affected ranges: npm @factiii/runner >=0.28.0 =0.33.0 =0.35.0 <=0.35.0)
- Verified: https://osv.dev/vulnerability/MAL-2026-18204 (OSV record MAL-2026-18204 lists affected ranges: npm @factiii/runner >=0.28.0 =0.33.0 =0.35.0 =0.26.2 =0.16.0 =0.22.0 =0.26.0 =0.18.1 =0.20.1 =0.18.0 =0.26.1 =0.22.1 =0.17.0 =0.20.0 =0.19.0 =0.23.2 =0.21.0 =0.17.1 =0.25.0 =0.36.0 <=0.36.0)
- Verified: https://osv.dev/vulnerability/MAL-2026-18204 (OSV record MAL-2026-18204 lists affected ranges: npm @factiii/runner >=0.28.0 =0.33.0 =0.35.0 =0.26.2 =0.16.0 =0.22.0 =0.26.0 =0.18.1 =0.20.1 =0.18.0 =0.26.1 =0.22.1 =0.17.0 =0.20.0 =0.19.0 =0.23.2 =0.21.0 =0.17.1 =0.25.0 =0.36.0 =0.37.0 <=0.37.0)
- Verified: https://osv.dev/vulnerability/MAL-2026-18204 (osv record MAL-2026-18204 is marked withdrawn upstream (as of 2026-11-01T05:30:08Z).)

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