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HTTPX2: Multipart part header injection via unvalidated file Content-Type and custom headers
HTTPX2: Multipart part header injection via unvalidated file Content-Type and custom headers
Affected packages
- httpx2— before 2.11.0
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
- https://github.com/pydantic/httpx2/security/advisories/GHSA-h4x7-gw46-3wm6
- https://nvd.nist.gov/vuln/detail/CVE-2026-84379
- https://github.com/pydantic/httpx2/pull/1142
- https://github.com/pydantic/httpx2/commit/de96d810ee4e309d118982fe7084a46a2bcd600d
- https://github.com/pydantic/httpx2
- https://github.com/pydantic/httpx2/releases/tag/v2.11.0
Structured record: https://osv.dev/vulnerability/GHSA-h4x7-gw46-3wm6
Recommended response stack
Snyk — Scan your dependencies in CI and fix this vulnerability.→Socket — Detect malicious and compromised packages before they ship.→
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