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Description

A vulnerability was determined in Open5GS up to 2.7.7. This affects the function handle_amf_info in the library /lib/sbi/nnrf-handler.c of the component nf-instances Endpoint. Executing a manipulation of the argument nf_info_pool can lead to resource consumption. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. Applying a patch is advised to resolve this issue. The issue report is flagged as already-fixed.

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




MEDIUM: 5.3CVSS: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
MEDIUM: 4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
MEDIUM: 4.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
4.0AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C

Problem types

Resource Consumption

Denial of Service

Timeline

2026-05-30:Advisory disclosed
2026-05-30:VulDB entry created
2026-05-30:VulDB entry last update

Credits

FrankyLin (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/367409 (VDB-367409 | Open5GS nf-instances Endpoint nnrf-handler.c handle_amf_info resource consumption) vdb-entry technical-description

vuldb.com/vuln/367409/cti (VDB-367409 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/818598 (Submit #818598 | Open5GS NRF v2.7.7 Denial of Service) third-party-advisory

github.com/open5gs/open5gs/issues/4480 exploit issue-tracking

github.com/open5gs/open5gs/ product

cve.org (CVE-2026-10156)

nvd.nist.gov (CVE-2026-10156)

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