Medium severity · published May 11, 2026
CVE-2026-8291
Open5GS NRF nnrf-handler.c ogs_nnrf_nfm_handle_nf_profile denial of service
6.5
CVSS
0.4%
EPSS
No
On KEV
Description
A weakness has been identified in Open5GS up to 2.7.7. Impacted is the function ogs_nnrf_nfm_handle_nf_profile of the file lib/sbi/nnrf-handler.c of the component NRF. This manipulation causes denial of service. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. The pull request to fix this issue awaits acceptance.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 32% 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, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-8291
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-8291
Product
https://github.com/open5gs/open5gs/
Exploit
https://github.com/open5gs/open5gs/issues/4456
Exploit
https://github.com/open5gs/open5gs/pull/4534
Third Party Advisory
https://vuldb.com/submit/808508
Third Party Advisory
https://vuldb.com/vuln/362588
Permissions Required
https://vuldb.com/vuln/362588/cti
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