Authenticated rate-limit bypass via non-atomic throttle updates
Published Jul 19, 2026 · Updated Jul 19, 2026
Race condition in django-tastypie 0.15.0 and 0.15.1 allows remote authenticated users to bypass API request throttling. CacheThrottle and CacheDBThrottle check and record access separately, then update a shared timestamp list with non-atomic get and set operations that lose concurrent updates. Exploitation requires a configured affected throttle, a shared cache backend, and concurrent requests, allowing the configured rate limit to be exceeded.
Summary
What happened
Race condition in django-tastypie 0.15.0 and 0.15.1 allows remote authenticated users to bypass API request throttling. CacheThrottle and CacheDBThrottle check and record access separately, then update a shared timestamp list with non-atomic get and set operations that lose concurrent updates. Exploitation requires a configured affected throttle, a shared cache backend, and concurrent requests, allowing the configured rate limit to be exceeded.
The record
- CVE
- CVE-2026-16208
- Published
- Jul 19, 2026
- Updated
- Jul 19, 2026
- Vendor
- django-tastypie
- Product
- django-tastypie
- Classifications
- CWE-362
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Jul 19, 2026CVE publishedPublication date reported by the CVE source.
- Jul 19, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
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- Affected versionversion=0.15.0
- Affected versionversion=0.15.1
What conditions does exploitation require?
What is affected?
Published CVSS scores
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Attacks
What attackers are doing with it
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Public exploit references
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Technologies
Your stack
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Your stack
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