VDB

GHSA-5phf-pp7p-vc2r

GHSA-5phf-pp7p-vc2r PUBLISHED CVSS 6.5 MEDIUM

Record from GitHub Advisory Database · Published March 19, 2021

urllib3 is fixed in 1.26.4 (PyPI)

Using default SSLContext for HTTPS requests in an HTTPS proxy doesn't verify certificate hostname for proxy connection

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

PackageEcosystemFixed in
urllib3PyPI1.26.4

Risk scores

CVSS 3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Affected products

VendorProductVersions
PyPIurllib31.26.0
PyPIurllib31.26.0

Timeline

  • Mar 19, 2021 CVE Published
  • Dec 16, 2025 PoC Published
  • Mar 20, 2026 Security Advisory

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln GHSA-5phf-pp7p-vc2r
vulnetix vdb fixes GHSA-5phf-pp7p-vc2r

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/GHSA-5phf-pp7p-vc2r/fixes/registry"

The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart

Look up in the Resolve Platform →
$ Lookup Community · 50/day Open Lookup ›