CVE-2026-82588: NULL Pointer Dereference in Open5GS
Description
CVE-2026-82588 is a medium severity vulnerability in Open5GS up to version 2.7.7. It involves a null pointer dereference in the Transfer Endpoint component, specifically in the file src/amf/namf-handler.c. This flaw can be triggered remotely and may cause the affected service to crash or behave unexpectedly. The issue is resolved by upgrading to Open5GS version 2.8.0.
CVSS v4.0
Score 5.3medium
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Open5GS affects versions 2.7.0 through 2.7.7 and is caused by improper handling in the Transfer Endpoint component, leading to a null pointer dereference. The flaw resides in the source file src/amf/namf-handler.c. Exploitation can be performed remotely without user interaction and requires low privileges. The vulnerability has a CVSS 3.1 base score of 5.3 (medium severity). The issue is fixed in version 2.8.0 by patch abf8a836564b966b5141110fc25ed413c4f17522.
Potential Impact
Successful exploitation of this vulnerability can cause a null pointer dereference, likely resulting in a denial of service condition by crashing or destabilizing the Open5GS service. There is no indication of privilege escalation, data disclosure, or code execution from the provided data.
Mitigation Recommendations
Upgrade Open5GS to version 2.8.0 or later, which contains the official fix for this vulnerability. No other mitigation or workaround is indicated. Patch status is confirmed by the vendor advisory information.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-wg2g-528h-36cm
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-82588"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
Threat ID: 6a95a101acd9273b4947e99d
Added to database: 08/31/2026, 15:42:57 UTC
Last enriched: 09/09/2026, 10:38:13 UTC
Last updated: 10/15/2026, 06:48:19 UTC
Views: 120
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