CVE-2026-7583

MEDIUM

Open5GS BSF context.c bsf_sess_find_by_ipv6prefix denial of service

Title source: cna

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.

References (5)

[Vdb Entry, Technical Description] https://vuldb.com/vuln/360530

[Signature, Permissions Required] https://vuldb.com/vuln/360530/cti

[Third Party Advisory] https://vuldb.com/submit/804322

[Exploit] https://github.com/open5gs/open5gs/issues/4401

[Product] https://github.com/open5gs/open5gs/

Scores

CVSS v3 4.3

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

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact partial

Details

CWE

CWE-404

Status published

Products (8)

None/Open5GS 2.7.0

None/Open5GS 2.7.1

None/Open5GS 2.7.2

None/Open5GS 2.7.3

None/Open5GS 2.7.4

None/Open5GS 2.7.5

None/Open5GS 2.7.6

None/Open5GS 2.7.7

Published May 01, 2026

Tracked Since May 01, 2026