{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-8744","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","state":"PUBLISHED","assignerShortName":"VulDB","dateReserved":"2026-05-16T12:38:26.906Z","datePublished":"2026-05-17T09:15:11.820Z","dateUpdated":"2026-05-18T16:20:24.992Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB","dateUpdated":"2026-05-17T09:15:11.820Z"},"title":"Open5GS NRF context.c ogs_sbi_nf_service_add denial of service","problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-404","lang":"en","description":"Denial of Service"}]}],"affected":[{"vendor":"n/a","product":"Open5GS","versions":[{"version":"2.7.0","status":"affected"},{"version":"2.7.1","status":"affected"},{"version":"2.7.2","status":"affected"},{"version":"2.7.3","status":"affected"},{"version":"2.7.4","status":"affected"},{"version":"2.7.5","status":"affected"},{"version":"2.7.6","status":"affected"},{"version":"2.7.7","status":"affected"}],"cpes":["cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*"],"modules":["NRF"]}],"descriptions":[{"lang":"en","value":"A vulnerability was determined in Open5GS up to 2.7.7. Affected is the function ogs_sbi_subscription_data_add/ogs_sbi_nf_service_add in the library /lib/sbi/context.c of the component NRF. Executing a manipulation can lead to denial of service. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. This patch is called 819db11a08b9736a3576c4f99ceb28f7eb99523a. A patch should be applied to remediate this issue."}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":5.3,"vectorString":"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","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":4.3,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C","baseSeverity":"MEDIUM"}},{"cvssV3_0":{"version":"3.0","baseScore":4.3,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C","baseSeverity":"MEDIUM"}},{"cvssV2_0":{"version":"2.0","baseScore":4,"vectorString":"AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C"}}],"timeline":[{"time":"2026-05-16T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-05-16T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-05-16T14:43:32.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"ZiyuLin (VulDB User)","type":"reporter"}],"references":[{"url":"https://vuldb.com/vuln/364331","name":"VDB-364331 | Open5GS NRF context.c ogs_sbi_nf_service_add denial of service","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/364331/cti","name":"VDB-364331 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/submit/817029","name":"Submit #817029 | Open5GS NRF v2.7.7 Denial of Service","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/817030","name":"Submit #817030 | Open5GS NRF v2.7.7 Denial of Service (Duplicate)","tags":["third-party-advisory"]},{"url":"https://github.com/open5gs/open5gs/issues/4465","tags":["issue-tracking"]},{"url":"https://github.com/open5gs/open5gs/pull/4534","tags":["issue-tracking","patch"]},{"url":"https://github.com/open5gs/open5gs/issues/4466","tags":["exploit","issue-tracking"]},{"url":"https://github.com/open5gs/open5gs/commit/819db11a08b9736a3576c4f99ceb28f7eb99523a","tags":["patch"]},{"url":"https://github.com/open5gs/open5gs/","tags":["product"]}],"tags":["x_open-source"]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-18T16:10:57.920988Z","id":"CVE-2026-8744","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-05-18T16:20:24.992Z"}}]}}