CVE-2026-8121
mediumA vulnerability has been found in Open5GS up to 2.7.7.
Vendor / product: Open5gs — open5gs
A vulnerability has been found in Open5GS up to 2.7.7. The impacted element is the function ogs_sbi_parse_plmn_list in the library /lib/sbi/conv.c of the component NSSF. The manipulation leads to denial of service. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
CVSS
6.5
6.5 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2026-05-08 01:16
Modified: 2026-11-11 23:10
NVD status: Analyzed
Last synced 3 hours ago
Verified against the source API 2026-11-11 23:13 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
open5gs / open5gs ≤2.7.7
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/open5gs/open5gs/ cna@vuldb.com
- https://github.com/open5gs/open5gs/issues/4433 cna@vuldb.com
- https://vuldb.com/submit/808422 cna@vuldb.com
- https://vuldb.com/submit/808424 cna@vuldb.com
- https://vuldb.com/vuln/361908 cna@vuldb.com
- https://vuldb.com/vuln/361908/cti cna@vuldb.com
Data sources
NVD CVE API 2.0 — fetched 2026-11-11 23:13 UTC · record ↗

