# CVE-2026-76240: stigmem-node's Postgres schema identifier handling required defensive quoting

Source: https://junglewise.ai/threats/cve-2026-76240-stigmem-node-s-postgres-schema-identifier-handling-required  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-05-29  
License: CC BY 4.0 with a link back

CVE-2026-76240 · Severity: medium · CVSS 4 · Published 2026-05-29

stigmem-node's Postgres schema identifier handling required defensive quoting

Technologies: [stigmem-node (PyPI)](https://junglewise.ai/threats/technologies/stigmem-node). Vendors: [PyPI](https://junglewise.ai/threats/vendors/pypi).

## Quick answers

**Is CVE-2026-76240 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-76240 being exploited in the wild.

**How severe is CVE-2026-76240?** 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-2026-76240?** 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-2026-76240?** 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

  ```sh
  pip install "stigmem-node>=0.9.0a2"
  ```


## Affected products

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

## Identifiers

- CVE-2026-76240
- GHSA-9pc9-4crj-mhpj

## Related threats

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- [stigmem-node: decay sweep expires and counts facts across all tenants (cross-tenant BOLA)](https://junglewise.ai/threats/cve-2026-76238-stigmem-node-decay-sweep-expires-and-counts-facts-across-all)
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- [stigmem-node's federation peer registration lacked explicit out-of-band approval](https://junglewise.ai/threats/cve-2026-76242-stigmem-node-s-federation-peer-registration-lacked-explicit-out)