medium
CVE-2026-97688
urllib3 infinite loop in HTTPResponse.stream/read_chunked - a chunked Deflate response with trailing bytes decodes without progress and no socket read occurs, so read timeouts do not interrupt it
- Severity
- medium
- Affected product
- urllib3
- Affected versions
- urllib3 ≥ 2.6.2, < 2.8.0
- Fixed in
- urllib3 2.8.0
- Detection basis
- Component version range
- Shipped rule
- urllib3: urllib3 infinite loop in HTTPResponse.stream/read_chunked - a chunked Deflate response with trailing bytes decodes without progress and no socket read occurs, so read timeouts do not interrupt it
- Added to NewScan
- 2026-09-30
- Detected by
- NewScan — free, self-hosted
How NewScan reports it
COMPONENT VERSION RANGE
NewScan fingerprints urllib3 from its response and reports this CVE when the detected version falls inside the affected range below.
References
Scan for this yourself — local, in-band scanning is free.
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