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Description

A vulnerability was determined in Open5GS up to 2.7.7. This vulnerability affects the function bsf_sess_add_by_ip_address of the file /nbsf-management/v1/pcfBindings of the component BSF. Executing a manipulation of the argument ipv4Addr can lead to denial of service. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.

PUBLISHED Reserved 2026-04-30 | Published 2026-05-01 | Updated 2026-05-01 | Assigner VulDB




MEDIUM: 6.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
MEDIUM: 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
MEDIUM: 5.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
5.0AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:ND/RC:UR

Problem types

Denial of Service

Timeline

2026-04-30:Advisory disclosed
2026-04-30:VulDB entry created
2026-04-30:VulDB entry last update

Credits

ZiyuLin (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/360353 (VDB-360353 | Open5GS BSF pcfBindings bsf_sess_add_by_ip_address denial of service) vdb-entry technical-description

vuldb.com/vuln/360353/cti (VDB-360353 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/804292 (Submit #804292 | Open5gs BSF v2.7.7 Denial of Service) third-party-advisory

github.com/open5gs/open5gs/issues/4400 exploit issue-tracking

github.com/open5gs/open5gs/ product

cve.org (CVE-2026-7536)

nvd.nist.gov (CVE-2026-7536)

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