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🐍 PyPI

GHSA-fp6w-8wpg-74g5

stigmem-node: Auth-disabled deployments may grant broad anonymous access outside loopback

Published
May 29, 2026
Updated
May 29, 2026
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed

Blast Radius

1 pkg affected
🐍stigmem-node

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects PyPI packages — download data is not available via public APIs for these ecosystems.

Description

Impact

Stigmem nodes configured with authentication disabled could grant the anonymous identity broad read/write/federation capabilities if exposed outside a loopback-only local development environment. Impacted users are operators who intentionally disabled authentication while binding the node to a non-loopback URL.

Patches

Patched in 0.9.0a2. The node now refuses unauthenticated operation outside loopback-only local development.

Workarounds

Before upgrading, keep authentication enabled for all non-local deployments and do not expose nodes with authentication disabled to untrusted networks.

Upgrade

Upgrade to the patched release:

pip install --upgrade --pre stigmem-node

If developers install through the Stigmem meta-package instead, they should use the matching extra for their deployments, for example:

pip install --upgrade --pre 'stigmem[node]'

Resources

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐍PyPIstigmem-nodeall versions0.9.0a2

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for stigmem-node. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.

  2. Fix

    Update stigmem-node to 0.9.0a2 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-fp6w-8wpg-74g5 is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

  4. How O3 protects you

    O3 pinpoints whether GHSA-fp6w-8wpg-74g5 is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.

Tailored to GHSA-fp6w-8wpg-74g5. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

### Impact Stigmem nodes configured with authentication disabled could grant the anonymous identity broad read/write/federation capabilities if exposed outside a loopback-only local development environment. Impacted users are operators who intentionally disabled authentication while binding the node to a non-loopback URL. ### Patches Patched in 0.9.0a2. The node now refuses unauthenticated operation outside loopback-only local development. ### Workarounds Before upgrading, keep authentication enabled for all non-local deployments and do not expose nodes with authentication disabled to untrus
O3 Security · Impact-Aware SCA

Is GHSA-fp6w-8wpg-74g5 in your dependencies?

O3 detects GHSA-fp6w-8wpg-74g5 across PyPI dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.