CVE-2026-8728 Details
Description
A security vulnerability has been detected in Open5GS up to 2.7.7. The impacted element is the function ogs_sbi_discovery_option_parse_plmn_list in the library /lib/sbi/conv.c of the component NRF. Such manipulation of the argument target-plmn-list leads to denial of service. The attack can be executed remotely. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.
A denial-of-service vulnerability has been identified in Open5GS versions through 2.7.7, specifically within the NRF component. The issue arises in the function 'ogs_sbi_discovery_option_parse_plmn_list' located in '/lib/sbi/conv.c'. When the 'target-plmn-list' argument is manipulated to include invalid JSON, it leads to a crash. This vulnerability can be exploited remotely, causing the NRF process to terminate unexpectedly after failing an assertion check due to the improper input.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed May 18, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/open5gs/open5gs/ | [email protected] | Product |
| https://github.com/open5gs/open5gs/issues/4458 | [email protected] | ExploitIssue Tracking |
| https://vuldb.com/submit/808510 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/submit/808511 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/vuln/364317 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/vuln/364317/cti | [email protected] | Permissions RequiredVDB Entry |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-404 | Improper Resource Shutdown or Release | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| open5gs open5gs | <= 2.7.7 |
CPE
Remediation
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Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 18, 2026 | Initial Analysis | [email protected] |
| May 17, 2026 | New CVE Received | [email protected] |