CVE-2026-8121Open5GS NSSF conv.c ogs_sbi_parse_plmn_list denial of service
Updated under an hour ago ()
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It affects n/a Open5GS. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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
- 4.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
- Weakness (CWE)
- CWE-404
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Analyzed
- Record last updated
- May 8, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
n/a Open5GS open5gs:open5gs | 2.7.0; 2.7.1; 2.7.2; 2.7.3; 2.7.4; 2.7.5; 2.7.6; 2.7.7 | CNA record |
open5gs open5gs open5gs:open5gs | through 2.7.7 | NVD |
References
- https://vuldb.com/vuln/361908vdb-entry, technical-description, third-party-advisory
- https://vuldb.com/vuln/361908/ctisignature, permissions-required, vdb-entry
- https://vuldb.com/submit/808422third-party-advisory, exploit, vdb-entry
- https://vuldb.com/submit/808424third-party-advisory, vdb-entry
- https://github.com/open5gs/open5gs/issues/4433exploit, issue-tracking
- https://github.com/open5gs/open5gs/product
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.