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CVE-2026-8251mediumCWE-404

Open5GS SMF npcf-handler.c update_authorized_pcc_rule_and_qos denial of service

33Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 5.3epss 0.5%
exploitation probability
0.5%top 62% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
A vulnerability was found in Open5GS up to 2.7.7. This impacts the function update_authorized_pcc_rule_and_qos of the file /src/smf/npcf-handler.c of the component SMF. Performing a manipulation results in denial of service. The attack is possible to be carried out remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.
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:P
Affected products
n/a · Open5GS
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.