An issue in the CreateUEContext handler component of free5gc v4.1.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted… (CVE-2026-30057)
Description
A vulnerability in the CreateUEContext handler component of free5gc version 4.1.0 allows attackers to cause a Denial of Service (DoS) by sending a specially crafted request. This issue does not affect confidentiality or integrity but impacts availability by causing service disruption.
CVSS v3.1
Score 7.5high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-30057 describes a high-severity vulnerability in free5gc v4.1.0 where the CreateUEContext handler improperly processes crafted requests, leading to a Denial of Service condition. The vulnerability is classified under CWE-770 (Allocation of Resources Without Limits or Throttling). The CVSS v3.1 base score is 7.5, reflecting network attack vector, low attack complexity, no privileges or user interaction required, and an impact limited to availability.
Potential Impact
Exploitation of this vulnerability results in denial of service, disrupting the availability of the affected free5gc component. There is no impact on confidentiality or integrity. No known exploits are reported in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are currently available. Users should monitor vendor communications for updates and consider implementing network-level protections to limit exposure until a fix is released.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-q726-xvvp-fgjh
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-30057"]
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a91a872acd9273b49069c10
Added to database: 08/28/2026, 15:25:38 UTC
Last enriched: 09/08/2026, 04:37:11 UTC
Last updated: 10/12/2026, 18:48:18 UTC
Views: 50
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