CVE-2026-76243: stigmem-node: Auth-disabled deployments may grant broad anonymous access outside loopback

CVE-2026-76243 · Severity: medium · CVSS 4 · Published 2026-05-29

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

Technologies: stigmem-node (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2026-76243 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-76243 being exploited in the wild.
How severe is CVE-2026-76243?
Medium severity, with a CVSS score of 4, published 29 May 2026.
Which products and versions are affected?
stigmem-node (PyPI) ECOSYSTEM:introduced=0,fixed=0.9.0a2.
Is there a fix for CVE-2026-76243?
Yes. stigmem-node (PyPI): upgrade to 0.9.0a2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2026-76243?
Check whether you run stigmem-node (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • stigmem-node (PyPI): upgrade to 0.9.0a2 or later
    pip install "stigmem-node>=0.9.0a2"

Affected products

  • stigmem-node (PyPI) ECOSYSTEM:introduced=0,fixed=0.9.0a2

Identifiers

  • CVE-2026-76243
  • GHSA-fp6w-8wpg-74g5

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