high8.3
CVE-2026-90707
A security flaw has been discovered in Open5GS up to 2.7.x.
Impact
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.
Affected products
| Product | Affected versions |
|---|---|
| Open5GS | before 2.7.x. |
Versions were read from the advisory text. No structured product data has been published for this record yet.
Weakness classification
References
- NVD record
- CVE.org record
- 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
- https://vuldb.com/vuln/403249
- https://vuldb.com/vuln/403249/cti