HT
Product
httpx2
by pydantic · last CVE Sep 2, 2026
5
CVEs
0
On KEV
8.1
Max CVSS
0
New 30D
Severity mix
Critical 0High 2Medium 3Low 0
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Add httpx2 to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-84381
8.1
0%
Sep 2
HTTPX2: Secure WebSocket traffic sent without TLS through SOCKS proxies
Affected: >= 2.6.0, < 2.10.0
CVE-2026-84382
7.5
1%
Sep 2
HTTPX2: Streaming response decompression does not bound peak memory (decompression amplification)
Affected: < 2.12.0
CVE-2026-84378
5.9
0%
Sep 2
HTTPX2: Quadratic SSE line buffering can cause CPU denial of service
Affected: >= 2.5.0, < 2.10.0
CVE-2026-84380
5.6
0%
Sep 2
HTTPX2: Conflicting Content-Length and Transfer-Encoding headers can be auto-generated
Affected: < 2.11.0
CVE-2026-84379
5.3
0%
Sep 2
HTTPX2: Multipart part header injection via unvalidated file Content-Type and custom headers
Affected: < 2.11.0
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