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GHSA-27jp-wm6q-gp25 — sqlparse

Fix: andialbrecht/sqlparse@40ed3aa

GHSA-27jp-wm6q-gp25 is a security vulnerability in sqlparse. A fix is available for sqlparse — see the affected versions and patch details below.

sqlparse: formatting list of tuples leads to denial of service

Published
Feb 13, 2026
Updated
Sep 10, 2026
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Sep 10, 2026 · OSV.dev, FIRST.org (EPSS)

Real-World Exposure

1 pkg affected
🐍sqlparse

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

Summary

The below gist hangs while attempting to format a long list of tuples.

This was found while drafting a regression test for Dja ngo 5.2's composite primary key feature, which allows querying composite fields with tuples.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐍PyPIsqlparseall versions0.5.4pip install --upgrade 'sqlparse==0.5.4'

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for sqlparse, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update sqlparse to 0.5.4 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-27jp-wm6q-gp25 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 Security's impact-aware SCA analyses which vulnerable code paths your application actually calls, so a match like GHSA-27jp-wm6q-gp25 can be triaged on real exposure rather than presence alone.

Tailored to GHSA-27jp-wm6q-gp25. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

### Summary The below gist hangs while attempting to format a long list of tuples. This was found while [drafting a regression test for Dja ngo 5.2's composite primary key feature](https://code.djangoproject.com/ticket/36416#comment:3), which allows querying composite fields with tuples. ###
O3 Security · Impact-Aware SCA

Is GHSA-27jp-wm6q-gp25 in your dependencies?

O3 Security finds GHSA-27jp-wm6q-gp25 across PyPI dependencies, including transitive ones, and its impact-aware SCA ranks findings by whether your code actually calls the vulnerable path.

GHSA-27jp-wm6q-gp25: sqlparse | O3 Security