CVE-2026-8249 Details
Description
A flaw has been found in Open5GS up to 2.7.7. The impacted element is the function update_authorized_pcc_rule_and_qos of the file /src/smf/npcf-handler.c of the component SMF. This manipulation causes denial of service. Remote exploitation of the attack is possible. The exploit has been published 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 prior to 2.7.7, specifically within the Session Management Function (SMF). The issue arises in the 'update_authorized_pcc_rule_and_qos' function of 'npcf-handler.c'. Remote exploitation is possible, and the vulnerability has been publicly disclosed.
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://vuldb.com/submit/808473 | CISA-ADP | Third Party AdvisoryVDB Entry |
| https://github.com/open5gs/open5gs/ | [email protected] | Product |
| https://github.com/open5gs/open5gs/issues/4443 | [email protected] | ExploitIssue Tracking |
| https://vuldb.com/submit/808473 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/vuln/362546 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/vuln/362546/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
6 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 24, 2026 | CVE Translated | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 13, 2026 | Initial Analysis | [email protected] |
| May 11, 2026 | CVE Modified | CISA-ADP |
| May 10, 2026 | New CVE Received | [email protected] |