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Vulnerability · Published May 9, 2026 · Assigned by VulDB

CVE-2026-8187Open5GS UPF gtp-path.c _gtpv1_u_recv_cb resource consumption

Medium 5.3

In plain English

A medium-severity uncontrolled resource consumption in Open5GS. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 51% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.6%top 49.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

A flaw has been found in Open5GS up to 2.7.7. This impacts the function _gtpv1_u_recv_cb of the file src/upf/gtp-path.c of the component UPF. Executing a manipulation can lead to resource consumption. The attack may be performed from remote. The project was informed of the problem early through an issue report but has not responded yet.

Affected products (as reported)

VendorProductVersions
n/a Open5GS 2.7.02.7.12.7.22.7.32.7.42.7.52.7.62.7.7

Weakness: CWE-400, CWE-404 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:X/RC:R

References