MEDIUM 6.9 NVD
CVE-2026-90707
A security flaw has been discovered in Open5GS up to 2.7.x. Affected is the function amf_nnrf_try_old_amf_discovery_fallback of the file src/amf/nnrf-handler.c
A security flaw has been discovered in Open5GS up to 2.7.x. Affected is the function amf_nnrf_try_old_amf_discovery_fallback of the file src/amf/nnrf-handler.c of the component Old AMF Discovery Fallback. The manipulation of the argument discovery_option results in use after free. The attack may be performed from remote. The patch is identified as ddd683a35f8aaac2b7b9884a24cd53bddfc65238. Applying a patch is advised to resolve this issue.
References
- https://github.com/open5gs/open5gs/
- https://github.com/open5gs/open5gs/commit/ddd683a35f8aaac2b7b9884a24cd53bddfc65238
- https://github.com/open5gs/open5gs/pull/4698
- https://vuldb.com/cve/CVE-2026-90707
- https://vuldb.com/submit/918267
This medium severity vulnerability with a CVSS score of 6.9 was published on 2026-09-14 via NVD.
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