CVE-2026-8745 Details
Description
A vulnerability was identified in Open5GS up to 2.7.7. Affected by this vulnerability is the function ogs_timer_add in the library /src/ausf/nausf-handler.c of the component AUSF. The manipulation leads to denial of service. The attack can be initiated remotely. The exploit is publicly available and might 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 prior to 2.7.7, specifically within the AUSF component. The issue arises in the 'ogs_timer_add' function of the 'nausf-handler.c' library. This vulnerability allows for remote exploitation, where an attacker can exhaust the timer pool by sending repeated confirmation requests, causing the AUSF to crash. The vulnerability has been publicly disclosed and is available for exploitation.
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
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/open5gs/open5gs/ | [email protected] | Product |
| https://github.com/open5gs/open5gs/issues/4472 | [email protected] | ExploitIssue Tracking |
| https://vuldb.com/submit/817031 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/vuln/364332 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/vuln/364332/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
| |
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] |