{"id":"CVE-2026-8251","title":"A vulnerability was found in Open5GS up to 2.7.7","summary":"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 i…","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","cwe":["CWE-404"],"vendor":"open5gs","product":"open5gs","affected":["open5gs <= 2.7.7"],"published":"2026-05-10","updated":"2026-07-24","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-8251","references":[{"url":"https://github.com/open5gs/open5gs/","label":"cna@vuldb.com"},{"url":"https://github.com/open5gs/open5gs/issues/4445","label":"cna@vuldb.com"},{"url":"https://vuldb.com/submit/808480","label":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/362548","label":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/362548/cti","label":"cna@vuldb.com"}],"tags":["nvd"],"epss":0.00461,"epssPercentile":0.39256,"ingestedAt":"2026-07-24T07:21:21.610Z","slug":"CVE-2026-8251","body":"## Overview\n\nA 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.\n\n## Affected\n\n- `open5gs <= 2.7.7`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":24,"depthScoreParts":{"impact":23.7,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}