Is github.com/free5gc/udr affected by CVE-2026-40343?

Go github.com/free5gc/udr is affected in <=1.4.2.

Is CVE-2026-40343 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 10.0%.

medium

CVE-2026-40343

Q: Is CVE-2026-40343 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 10.0%.

Go · github.com/free5gc/udr

Summary

free5GC UDR: Fail-open handling in PolicyDataSubsToNotifyPost allows unintended subscription creation

Severity: medium
EPSS: 10.0% (p95)
Also known as: GHSA-jwch-w7wh-gqjm
Published: 2026-04-21

References

Related advisories

CVE-2026-40248 — high · Go/github.com/free5gc/udr
CVE-2026-40247 — high · Go/github.com/free5gc/udr
CVE-2026-40246 — high · Go/github.com/free5gc/udr
CVE-2026-40245 — high · Go/github.com/free5gc/udr
CVE-2026-47780 — medium · Go/github.com/free5gc/udr
CVE-2026-44324 — medium · Go/github.com/free5gc/udr
CVE-2026-44323 — medium · Go/github.com/free5gc/udr
CVE-2026-40249 — medium · Go/github.com/free5gc/udr

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.