PyMongo: PYTHON-5986 Host injection in PyMongo connection string parsing via percent-encoded delimiters
High-risk advisory
CVE-2026-96748
Summary
PyMongo: PYTHON-5986 Host injection in PyMongo connection string parsing via percent-encoded delimiters
Why it matters
GitHub has published a reviewed security advisory for pymongo. Prioritize it with other application dependency updates, especially because EPSS places it in the 16% percentile.
Operator check
Check whether pymongo is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 8.3. EPSS probability: 0.3%; percentile: 16%.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.