How to Fix CVE-2026-1287: SQL Injection in Django
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*By Sai Kiran Pandrala*
| Severity | Not verified - see advisory |
|---|---|
| Actively exploited? | Not currently listed in CISA KEV |
| Affected | 6.0 < 6.0.2, 5.2 < 5.2.11, 4.2 < 4.2.28 |
| Fixed in | 6.0.2, 5.2.11, 4.2.28 |
| Type (CWE) | CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') |
What is CVE-2026-1287?
CVE-2026-1287 is a SQL injection flaw in Django. User input reaches a database query without proper parameterization, letting an attacker read, modify, or in some cases execute commands through stacked queries or out-of-band channels. Vendor description: An issue was discovered in 6.0 before 6.0.2, 5.2 before 5.2.11, and 4.2 before 4.2.28. FilteredRelation is subject to SQL injection in column aliases via control characters, using a suitably crafted dictionary, with dictionary expansion, as the **kwargs passed to QuerySet methods annotate(), aggregate(), extra(), values(), values_list(), and alias().
Why this CVE matters
SQL injection against a management product is rarely just a data leak. Once an attacker can read or write to the application database, the chain commonly ends with credential theft, persistence via scheduled tasks, or stacked queries that pivot into the operating system.
For deployments of Django that have been exposed to the public internet during the disclosure window, the operating assumption should be that scanning has already happened. Even where exploitation has not been publicly observed, scanning for the vulnerable fingerprint is cheap and routine. Patching closes the door; log review and credential rotation close out the rest of the response.
Am I affected?
You are affected if your installation matches any of these version ranges:
- Django: 6.0 < 6.0.2
- Django: 5.2 < 5.2.11
- Django: 4.2 < 4.2.28
Check your installed version against the list above. If you cannot determine the version, treat the system as affected and follow the upgrade path below.
Open Django's About dialog or run the vendor-documented version-check command. Compare the result against the affected ranges in the advisory.
How to fix CVE-2026-1287
The fix is to upgrade Django to one of these patched versions (pick the one matching your release line): 6.0.2, 5.2.11, 4.2.28.
Affected versions confirmed in the CVE record:
Django< 6.0.2Django== 6.0.2Django< 5.2.11Django== 5.2.11Django< 4.2.28Django== 4.2.28
Update the Python package
<!-- enrich_agent_2:v1 -->
# Patch in-place.
python -m pip install --upgrade "django>=6.0.2"
# Verify the resolved version.
python -m pip show django | grep Version
Verify the fix worked
<!-- enrich_agent_2:v1 -->
# 1. Confirm the running version matches the fixed-in version from the advisory.
# Cross-check against the vendor advisory: https://docs.djangoproject.com/en/dev/releases/security/
# 2. Re-scan with your vulnerability scanner. The scanner should no longer flag
# this CVE on the patched host.
# Example with Nmap NSE:
nmap -sV --script vuln <target-host>
# 3. Inspect the service / kernel logs for crash-loops or rollback events in
# the first hour after the upgrade.
journalctl -u <service-name> --since "1 hour ago"
dmesg --since "1 hour ago"
If you cannot patch immediately
Front the affected endpoint with a WAF rule that blocks SQL metacharacters in the vulnerable parameters. This is a stopgap, not a fix. Patch promptly.
How to verify the fix worked
- After applying the patch, verify the running version in the product's admin UI or via the vendor-documented CLI command.
- Confirm the patched build matches the version listed in the vendor advisory.
- Run an authenticated vulnerability scan with a current signature set and confirm the scanner no longer flags CVE-2026-1287.
- Review logs for the entire pre-patch window for indicators of compromise listed in the vendor or CISA advisory.
- Confirm any network-layer mitigations that were applied as a stopgap have been reverted (or left in place intentionally) once the patch is verified.
If your installation was internet-reachable during the disclosure window, treat log review as part of the remediation rather than an optional follow-up. Look for unexpected administrator accounts in Django, scheduled tasks or cron jobs you did not create, new files in web-accessible directories, and outbound connections to addresses not in your baseline. Suspicious requests to the vulnerable endpoint immediately followed by successful 200-class responses with unusually large bodies are a strong indicator of exploitation.
Frequently asked questions
Is CVE-2026-1287 being exploited in the wild?
Public exploitation has not been confirmed by CISA at the time of writing. Treat the patch as time-sensitive anyway; reports often lag actual abuse.
Will a WAF or IDS rule fully mitigate CVE-2026-1287?
No. Network-layer filters can reduce noise and slow opportunistic scanners, but they will not stop a determined attacker. The vendor patch is the only durable fix.
Do I need to assume compromise if my Django was internet-facing and unpatched?
For an unauthenticated RCE-class flaw exposed to the public internet during the known exploitation window, yes. Review logs, rotate credentials the process could access, and look for unexpected accounts, scheduled tasks, or outbound connections.
References
- Official vendor advisory: https://docs.djangoproject.com/en/dev/releases/security/
- NVD entry: https://nvd.nist.gov/vuln/detail/CVE-2026-1287
- CISA KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
- Additional vendor or research reference: https://groups.google.com/g/django-announce
- Additional vendor or research reference: https://www.djangoproject.com/weblog/2026/feb/03/security-releases/
*This guide was assembled from the official vendor advisory, the NVD record, and the CISA KEV catalog entry on 2026-05-25. Always confirm against the vendor advisory before applying changes in production.*