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CVE-2026-82588

Open5GS Transfer Endpoint namf-handler.c null pointer dereference

MEDIUM
4.3
CVSS Score
Published: August 30, 2026 at 10:00 PM UTC
Updated: September 1, 2026 at 03:17 PM UTC
1 product affected across 1 vendorOpen5GS

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.5%
SSVC
PoC

Description

A vulnerability was identified in Open5GS up to 2.7.7. This issue affects some unknown processing of the file src/amf/namf-handler.c of the component Transfer Endpoint. Such manipulation leads to null pointer dereference. The attack can be launched remotely. Upgrading to version 2.8.0 is capable of addressing this issue. The name of the patch is abf8a836564b966b5141110fc25ed413c4f17522. Upgrading the affected component is advised.

Affected

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

Open5GS· OPEN5GS
95%
2.7.02.7.12.7.22.7.32.7.42.7.52.7.62.7.7
Vendor states this is fixed in 2.8.0 (unaffected)

Remediation

No guide yet

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

Patch and advisory references

References (8)

VDB Entry
Source: cverecord
https://vuldb.com/vuln/397083
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/397083/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-82588
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/891891
Issue Tracking
Source: cverecord
https://github.com/open5gs/open5gs/issues/4397
Patch
Source: cverecord
https://github.com/open5gs/open5gs/commit/abf8a836564b966b5141110fc25ed413c4f17522
Patch
Source: cverecord
https://github.com/open5gs/open5gs/releases/tag/v2.8.0
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

4.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-476CWE-404

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