Medium severity · published Aug 30, 2026
CVE-2026-82588
Open5GS Transfer Endpoint namf-handler.c null pointer dereference
4.3
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 46% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
Open5GS · Open5gs
2.7.0; 2.7.1; 2.7.2; 2.7.3; 2.7.4; 2.7.5; +2 more · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-82588
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-82588
github.com
https://github.com/open5gs/open5gs/
github.com
https://github.com/open5gs/open5gs/commit/abf8a836564b966b5141110fc25ed413c4f17522
github.com
https://github.com/open5gs/open5gs/issues/4397
github.com
https://github.com/open5gs/open5gs/releases/tag/v2.8.0
vuldb.com
https://vuldb.com/cve/CVE-2026-82588
vuldb.com
https://vuldb.com/submit/891891
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