CVE-2026-8288 Details
Description
A vulnerability was determined in Open5GS up to 2.7.7. This affects the function gsm_handle_pdu_session_modification_qos_flow_descriptions of the file src/smf/gsm-handler.c of the component SMF. Executing a manipulation of the argument n1SmMsg can lead to denial of service. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. The pull request to fix this issue awaits acceptance.
A denial-of-service vulnerability has been identified in Open5GS versions through 2.7.7, specifically within the SMF component. The issue arises in the 'gsm_handle_pdu_session_modification_qos_flow_descriptions' function, located in 'src/smf/gsm-handler.c'. The vulnerability can be exploited remotely by manipulating the 'n1SmMsg' argument to include an invalid bitrate unit, causing the SMF process to crash. This issue has been publicly disclosed, and a pull request to address it is pending acceptance.
Users can update to Open5GS version 2.7.8 or later, where this vulnerability has been fixed.
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 11, 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/4452 | [email protected] | ExploitIssue Tracking |
| https://github.com/open5gs/open5gs/pull/4513 | [email protected] | Issue TrackingPatch |
| https://vuldb.com/submit/808489 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/vuln/362585 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/vuln/362585/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 12, 2026 | Initial Analysis | [email protected] |
| May 11, 2026 | New CVE Received | [email protected] |