CVE-2026-8744

Open5GS NRF context.c ogs_sbi_nf_service_add denial of service

CVSS 5.3 MEDIUMEPSS 0.5%CWE-404

Vexday Risk Score

33Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

CVSS 5.3EPSS 0.5%KEV nãoPoC públicaNuclei —Metasploit —Patch referenciado

Lifecycle

17 May 2026Published on NVD

Recommendation: Plan a near-term fix — a public PoC already exists.

A vulnerability was determined in Open5GS up to 2.7.7. Affected is the function ogs_sbi_subscription_data_add/ogs_sbi_nf_service_add in the library /lib/sbi/context.c of the component NRF. Executing a manipulation can lead to denial of service. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. This patch is called 819db11a08b9736a3576c4f99ceb28f7eb99523a. A patch should be applied to remediate this issue.

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

Affected products

n/a · Open5GS

public PoCs found — 1

cve_referencegithub.com/open5gs/open5gs/issues/4466unverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References

https://github.com/open5gs/open5gs/https://github.com/open5gs/open5gs/commit/819db11a08b9736a3576c4f99ceb28f7eb99523a https://github.com/open5gs/open5gs/issues/4465 https://github.com/open5gs/open5gs/issues/4466 https://github.com/open5gs/open5gs/pull/4534 https://vuldb.com/submit/817029 https://vuldb.com/submit/817030 https://vuldb.com/vuln/364331 https://vuldb.com/vuln/364331/cti