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CVE

CWE

Training

CVE-2026-7583

Published: May 1, 2026

Modified: May 1, 2026

PUBLISHED

CVSS v3.1

4.3

MEDIUM

Description

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.

Vendor	Product	Versions
n/a	Open5GS	affected `2.7.0` affected `2.7.1` affected `2.7.2` affected `2.7.3` affected `2.7.4` +3 more versions

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

References

VDB-360530 | Open5GS BSF context.c bsf_sess_find_by_ipv6prefix denial of service

vdb-entry

technical-description

VDB-360530 | CTI Indicators (IOB, IOC, TTP, IOA)

signature

permissions-required

Submit #804322 | Open5gs BSF v2.7.7 Denial of Service

third-party-advisory

https://github.com/open5gs/open5gs/issues/4401

exploit

issue-tracking

https://github.com/open5gs/open5gs/

product

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