UR
Product
urllib3
by urllib3 · last CVE Sep 29, 2026
8
CVEs
0
On KEV
8.1
Max CVSS
3
New 30D
Severity mix
Critical 0High 6Medium 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-2026-21441
7.5
3%
Jan 7
urllib3 vulnerable to decompression-bomb safeguard bypass when following HTTP redirects (streaming API)
Affected: >= 1.22, < 2.6.3
CVE-2025-66471
7.5
1%
Dec 5
urllib3 Streaming API improperly handles highly compressed data
Affected: >= 1.0, < 2.6.0
CVE-2025-66418
7.5
1%
Dec 5
urllib3 allows an unbounded number of links in the decompression chain
Affected: >= 1.24, < 2.6.0
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