CVE-2026-44330
- Source
- https://cve.org/CVERecord?id=CVE-2026-44330
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-44330.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-44330
- Aliases
- Downstream
- Related
- Published
- 2026-05-27T15:36:40.809Z
- Modified
- 2026-08-12T03:51:13.211711756Z
- Severity
-
- 10.0 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H CVSS Calculator
- Summary
- free5GC: NEF nnef-pfdmanagement API is unauthenticated; forged bearer tokens can read PFD data and create/delete PFD subscriptions
- Details
-
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 authorization. A network attacker who can reach NEF on the SBI can use a forged or arbitrary bearer token (e.g. Authorization: Bearer not-a-real-token) to read PFD application data via GET /applications and GET /applications/{appID}, and to create or delete PFD change-notification subscriptions via POST /subscriptions and DELETE /subscriptions/{subID}. Same root cause as the other NEF SBI findings: the route group is mounted without any inbound auth middleware. Unlike the OAM and traffic-influence groups, nnef-pfdmanagement IS declared in the runtime ServiceList, so this is the production-intended path that operators expect to be protected by OAuth2 setting receive from NRF: true -- and it is not. This vulnerability is fixed in 4.2.2.
- Database specific
{ "cwe_ids": [ "CWE-863" ], "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44330.json", "cna_assigner": "GitHub_M" }- References
Affected packages
Git / github.com/free5gc/free5gc
Affected ranges
- Type
- GIT
- Repo
- https://github.com/free5gc/free5gc
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixed
- Database specific
-
Show details
{ "cpe": "cpe:2.3:a:free5gc:free5gc:*:*:*:*:*:*:*:*", "extracted_events": [ { "introduced": "0" }, { "fixed": "4.2.2" } ], "source": [ "AFFECTED_FIELD", "CPE_RANGE" ] }