NULL pointer dereference in Open5gs
CVE-2026-82588
A vulnerability was identified in Open5GS up to 2.7.7. This issue affects some unknown processing of the file src/amf/namf-handler.c of the component Transfer Endpoint. Such manipulation leads to null pointer dereference. The attack can be launched remotely. Upgrading to version 2.8.0 is capable of addressing this issue. The name of the patch is abf8a836564b966b5141110fc25ed413c4f17522. Upgrading the affected component is advised.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.005 (44.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 44.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002
Affected products
- Open5gs — versions 2.7.0, 2.7.1, 2.7.2
Weakness classification (CWE)
References
- github.com/open5gs/open5gs/ (product)
- github.com/open5gs/open5gs/commit/abf8a836564b966b5141110fc25ed413c4f17522 (patch)
- github.com/open5gs/open5gs/issues/4397 (issue-tracking)
- github.com/open5gs/open5gs/releases/tag/v2.8.0 (patch)
- vuldb.com/cve/CVE-2026-82588 (third-party-advisory)
- vuldb.com/submit/891891 (third-party-advisory)
- vuldb.com/vuln/397083 (vdb-entry)
- vuldb.com/vuln/397083/cti (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-82588?
- CVE-2026-82588 is a medium-severity vulnerability in Open5gs, classified under Improper Resource Shutdown or Release. CVSS score: 4.3/10. Published 2026-08-30.
- How severe is CVE-2026-82588?
- Medium severity. CVSS v3 base score is 4.3 out of 10.