Improper Verification of Cryptographic Signature in Django - CVE-2026-6873
Published: June 4, 2026
Vulnerability identifier: #VU133360
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-6873
CWE-ID: CWE-347
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Django Software Foundation
Affected software:
Django
Django
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to the "django.http.HttpRequest.get_signed_cookie" uses a non-injective salt derivation. A remote user can use a cookie in a context different from the one where it was signed.
How to mitigate CVE-2026-6873
Install updates from vendor's website.