CVE-2026-30045: n/a
Description
An integer overflow vulnerability exists in the /nnrf-disc/v1/nf-instances component of open5gs version 2.7.6. This flaw allows an attacker to cause a Denial of Service (DoS) by sending a specially crafted HTTP/2 GET request. The vulnerability has a high severity rating with a CVSS score of 7.5. No patch or official remediation guidance is currently available.
CVSS v3.1
Score 7.5high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-30045 describes an integer overflow in the /nnrf-disc/v1/nf-instances endpoint of open5gs v2.7.6. This vulnerability can be triggered by an attacker supplying a crafted HTTP/2 GET request, resulting in a Denial of Service condition. The vulnerability is classified under CWE-190 (Integer Overflow or Wraparound). There is no known exploit in the wild and no vendor advisory or patch information has been provided to date.
Potential Impact
Successful exploitation results in a Denial of Service (DoS) condition, impacting availability of the affected open5gs component. There is no indication of confidentiality or integrity impact.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, consider restricting access to the vulnerable endpoint or applying network-level protections to mitigate potential DoS attempts.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-03-04T00:00:00.000Z
- State
- PUBLISHED
Threat ID: 6a906ba8acd9273b49839a0a
Added to database: 08/27/2026, 16:54:00 UTC
Last enriched: 09/07/2026, 15:36:59 UTC
Last updated: 10/11/2026, 18:48:18 UTC
Views: 23
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