CVE-2026-8288

Open5GS SMF gsm-handler.c denial of service

MEDIUM
6.5
CVSS Score
Published: May 11, 2026 at 12:15 PM UTC
Updated: June 17, 2026 at 11:03 AM UTC
1 product affected across 1 vendorOpen5GS

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.4%
SSVC
PoC

Description

A vulnerability was determined in Open5GS up to 2.7.7. This affects the function gsm_handle_pdu_session_modification_qos_flow_descriptions of the file src/smf/gsm-handler.c of the component SMF. Executing a manipulation of the argument n1SmMsg can lead to denial of service. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. The pull request to fix this issue awaits acceptance.

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 (6)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/vuln/362585
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/vuln/362585/cti
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/submit/808489
ExploitIssue Tracking
Source: cverecord
https://github.com/open5gs/open5gs/issues/4452
Issue TrackingPatch
Source: cverecord
https://github.com/open5gs/open5gs/pull/4513
Product
Source: cverecord
https://github.com/open5gs/open5gs/

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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