An issue was discovered in Django 6.0 before 6.0.7 and 5.2 before 5.2.16. `DomainNameValidator` does not prohibit newlin
An issue was discovered in Django 6.0 before 6.0.7 and 5.2 before 5.2.16. `DomainNameValidator` does not prohibit newlines in domain names (unless used via a form field, since `CharField` strips newlines). If an application uses values with newlines in an HTTP response, header injection can occur. Django itself is unaffected because `HttpResponse` prohibits newlines in HTTP headers. Earlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.
Affected packages
- django— 5.2 → 5.2.16
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
- https://groups.google.com/g/django-announce
- https://docs.djangoproject.com/en/dev/releases/security/
- https://www.djangoproject.com/weblog/2026/jul/07/security-releases/
- https://github.com/advisories/GHSA-8qcx-xf44-272x
Structured record: https://osv.dev/vulnerability/PYSEC-2026-2092
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