MEDIUMPyPI →
Django: has_vary_header may expose cached responses when Vary values contain whitespace
Django: has_vary_header may expose cached responses when Vary values contain whitespace
Affected packages
- django— before 5.2.15
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://nvd.nist.gov/vuln/detail/CVE-2026-48587
- https://github.com/django/django/commit/1721035a72624aad7b38dd19b14013efd94b24b8
- https://github.com/django/django/commit/42aa0b3364d312e7c6472258d8b0e9c0277fbf22
- https://github.com/django/django/commit/9b62b0af71a14c657d19d95371630ba839e83d9a
- https://docs.djangoproject.com/en/dev/releases/security
- https://github.com/django/django
- https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2026-198.yaml
- https://groups.google.com/g/django-announce
- https://www.djangoproject.com/weblog/2026/jun/03/security-releases
Structured record: https://osv.dev/vulnerability/GHSA-923m-gv2p-w5qp
Recommended response stack
Snyk — Scan your dependencies in CI and fix this vulnerability.→Socket — Detect malicious and compromised packages before they ship.→
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