CVE-2026-7583CWE-404

Open5GS BSF context.c bsf_sess_find_by_ipv6prefix denial of service

Medium · published May 1, 2026

CVSS v4.0
5.3
EPSS
0%
Percentile
39.7
In the wild
Unconfirmed
What it is

A flaw has been found in Open5GS up to 2.7.7. This issue affects the function bsf_sess_find_by_ipv6prefix of the file /src/bsf/context.c of the component BSF. This manipulation of the argument ipv6Prefix causes denial of service. It is possible to initiate the attack remotely. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00471 · 39.7th percentile
Weakness
CWE-404 · Improper Resource Shutdown or Release
Published
2026-05-01T14:45Z
EPSS history
Timeline
  • 01 MAY 14:45Z
    Open5GS BSF context.c bsf_sess_find_by_ipv6prefix denial of service
    cvelistv5