UR
Product
urllib3
by urllib3 · last CVE Sep 29, 2026
5
CVEs
0
On KEV
8.1
Max CVSS
3
New 30D
Severity mix
Critical 0High 3Medium 2Low 0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-97687
8.1
0%
Sep 29
urllib3: HTTPS proxy TLS configuration may be ignored or overridden
Affected: >= 1.26.0, < 2.8.0
CVE-2026-97689
7.5
0%
Sep 29
urllib3: HTTPResponse.stream()/read_chunked() buffers an unbounded chunk-size line into memory
Affected: >= 1.10.3, < 2.8.0
CVE-2026-44432
7.5
1%
May 13
urllib3: Decompression-bomb safeguards bypassed in parts of the streaming API
Affected: >= 2.6.0, < 2.7.0
CVE-2026-97688
5.3
0%
Sep 29
urllib3: Chunked Deflate streaming can enter an infinite loop
Affected: >= 2.6.2, < 2.8.0
CVE-2026-44431
5.3
0%
May 13
urllib3: Sensitive headers forwarded across origins in proxied low-level redirects
Affected: >= 1.23, < 2.7.0
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