Is github.com/free5gc/pcf affected by CVE-2026-42083?

Go github.com/free5gc/pcf is affected in <1.4.3.

Is CVE-2026-42083 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.3%.

high

CVE-2026-42083

Q: Is CVE-2026-42083 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.3%.

Go · github.com/free5gc/pcf

Summary

Free5GC PCF: Missing authentication middleware in Npcf_SMPolicyControl allows access to SM policy handlers and disclosure of subscriber SUPI

Severity: high
EPSS: 0.3% (p22)
Also known as: GHSA-6rgm-gr97-x3j5
Published: 2026-05-07

References

https://github.com/free5gc/free5gc/security/advisories/GHSA-6rgm-gr97-x3j5
https://nvd.nist.gov/vuln/detail/CVE-2026-42083
https://github.com/free5gc/free5gc/issues/844

Related advisories

CVE-2026-44316 — high · Go/github.com/free5gc/pcf
CVE-2026-41135 — high · Go/github.com/free5gc/pcf
CVE-2026-44317 — medium · Go/github.com/free5gc/pcf

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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.