CVE-2026-8744

Open5GS NRF context.c ogs_sbi_nf_service_add denial of service

MEDIUM
6.5
CVSS Score
Published: May 17, 2026 at 09:15 AM UTC
Updated: June 17, 2026 at 11:04 AM UTC
1 product affected across 1 vendorOpen5GS

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.5%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (9)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/vuln/364331
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/vuln/364331/cti
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/submit/817029
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/submit/817030
Issue TrackingExploit
Source: cverecord
https://github.com/open5gs/open5gs/issues/4465
Issue TrackingPatch
Source: cverecord
https://github.com/open5gs/open5gs/pull/4534
ExploitIssue Tracking
Source: cverecord
https://github.com/open5gs/open5gs/issues/4466

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-404

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