CVE-2026-114138 Django REST framework - Denial of Service

Django REST framework < 3.18.2 contains a denial of service caused by unbounded Accept tokens and repeated media type parsing in DefaultContentNegotiation, letting remote unauthenticated clients exhaust CPU and block workers, exploit requires sending many distinct large Accept tokens.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
21 October 2026
Updated
22 October 2026
Weakness
CWE-400

Vendor fix

Upgrade to version 3.18.2 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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