GO-2026-5642

vendorUSosv

free5GC's NEF nnef-pfdmanagement API is unauthenticated; forged bearer tokens can read PFD data and create/delete PFD subscriptions in github.com/free5gc/nef

view advisory published 2026-06-25Licence: per source

free5GC's NEF nnef-pfdmanagement API is unauthenticated; forged bearer tokens can read PFD data and create/delete PFD subscriptions in github.com/free5gc/nef

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2026-44330US	—OT elevated	0.43% (36th)	—	2026-05-27
free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NEF mounts the nnef-pfdmanagement route group without inbound OAuth2/bearer-token authori…

references

External citations — patches, advisories, analysis.

https://github.com/free5gc/free5gc/issues/862WEB
https://github.com/free5gc/free5gc/security/advisories/GHSA-rwww-x45w-p52wADVISORY
https://nvd.nist.gov/vuln/detail/CVE-2026-44330ADVISORY

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