CVE-2026-30045 — HIGH (7.5)

Vulnerability Description

An integer overflow in the /nnrf-disc/v1/nf-instances component of open5gs v2.7.6 allows attackers to cause a Denial of Service (DoS) via supplying a crafted HTTP/2 GET request.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Related Weaknesses (CWE)

CWE-190

References

https://github.com/open5gs/open5gs/issues/4263

FAQ

What is CVE-2026-30045?

CVE-2026-30045 is a vulnerability with a CVSS score of 7.5 (HIGH). An integer overflow in the /nnrf-disc/v1/nf-instances component of open5gs v2.7.6 allows attackers to cause a Denial of Service (DoS) via supplying a crafted HTTP/2 GET request.

How severe is CVE-2026-30045?

CVE-2026-30045 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-30045?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.