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Vulnerability record · public intelligence
CVE-2026-8744
MEDIUM

Open5GS NRF context.c ogs_sbi_nf_service_add denial of service

Published May 17, 2026 · Updated Nov 3, 2026

Severity · CVSSMEDIUM · Not scored
Known exploitationNot listed
EPSS / likelihood0.46%
QFinch risk scoreNot available

Original summary

Normalized public record · Updated Nov 3, 2026

Open5GS NRF context.c ogs_sbi_nf_service_add denial of service

Publisher and source text is retained separately from QFinch interpretation.

QFinch assessment

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.

Evidence: public source records

Affected products

Affected scope reported by the available public evidence
Affected package, product or rangeFix status
Consult the referenced vendor advisory for affected versions.Consult source advisory

Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.

Remediation

Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.

  1. Confirm the affected product and reachable code path exist in your environment.
  2. Apply the vendor-supported patch or mitigation from the primary advisory.
  3. Rescan the exact deployed revision and retain verification evidence.
Review primary references

Evidence coverage

FIRST-EPSSCVE-LIST-V5
SSVC priority
LOW
Confidence
Not available
Aliases
None reported

Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.

Sources and record history

  1. VDB-364331 | Open5GS NRF context.c ogs_sbi_nf_service_add denial of service ↗
  2. VDB-364331 | CTI Indicators (IOB, IOC, TTP, IOA) ↗
  3. Submit #817029 | Open5GS NRF v2.7.7 Denial of Service ↗
  4. Submit #817030 | Open5GS NRF v2.7.7 Denial of Service (Duplicate) ↗
  5. Source repository ↗
  6. Source repository ↗
  7. Source repository ↗
  8. Patch commit ↗
  9. Source repository ↗

Record history

Published May 17, 2026 · Last refreshed Nov 3, 2026

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