01 Record
CVE-2026-82588
Open5GS Transfer Endpoint namf-handler.c null pointer dereference
MediumPUBLISHEDCNA: VulDB
CNA base score5.3 CVSS v4.0CVSS: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:X
02 Description
Open5GS Transfer Endpoint namf-handler.c null pointer dereference
03 Exploitation and scoring
- Exploitation
- Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.
- SSVC decision
- ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.54% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 45.4% of scored records. A rank, not a probability.
- NVD base score
- 5.3 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- 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:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- NVD analysis status
- Deferred. NVD last modified this record on 2026-09-01.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-08-30 22:00Z2 MO AGO
- Last updated
- 2026-09-01 14:17Z1 MO AGO
- Reserved
- 2026-08-30
- Assigning CNA
- VulDB
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 5.3)
- CNA CVSS vector
- 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:X
- Weaknesses
- Data version
- 5.2
- Document digest
- f7c6f1262326543c5ddd5288c07d45aaf0829c3ff66db9148d64abb00ff2bea8
05 Affected products
VendorProductVersionsPlatforms
06 References
- vuldb.comVDB-397083 | Open5GS Transfer Endpoint namf-handler.c null pointer dereferencehttps://vuldb.com/vuln/397083
- vuldb.comVDB-397083 | CTI Indicators (IOB, IOC, IOA)https://vuldb.com/vuln/397083/cti
- vuldb.comCVE-2026-82588 | CVE Analysis and Reporthttps://vuldb.com/cve/CVE-2026-82588
- vuldb.comSubmit #891891 | Open5GS AMF v2.7.7 Denial of Servicehttps://vuldb.com/submit/891891
- github.comhttps://github.com/open5gs/open5gs/issues/4397
- github.comhttps://github.com/open5gs/open5gs/commit/abf8a836564b966b5141110fc25ed413c4f17522
- github.comhttps://github.com/open5gs/open5gs/releases/tag/v2.8.0
- github.comhttps://github.com/open5gs/open5gs/