{"id":"CVE-2026-1738","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-1738","generatedAt":"2026-10-28T03:28:36.345Z","title":"Executing a manipulation of the argument pdr can lead to reachable assertion.","description":"A flaw has been found in Open5GS up to 2.7.6. The impacted element is the function sgwc_tunnel_add of the file /src/sgwc/context.c of the component SGWC. Executing a manipulation of the argument pdr can lead to reachable assertion. The attack can be executed remotely. The exploit has been published and may be used. It is advisable to implement a patch to correct this issue. The issue report is flagged as already-fixed.","published":"2026-02-02T02:16:11.000Z","lastModified":"2026-06-17T10:16:26.000Z","status":"Analyzed","sourceIdentifier":"cna@vuldb.com","cvss":{"version":"4.0","score":5.5,"severity":"MEDIUM","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-617"],"affected":["open5gs/open5gs"],"epss":{"score":0.00743,"percentile":0.54423,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.74%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://github.com/open5gs/open5gs/","tags":["Product"],"source":"cna@vuldb.com"},{"url":"https://github.com/open5gs/open5gs/issues/4261","tags":["Exploit","Issue Tracking"],"source":"cna@vuldb.com"},{"url":"https://github.com/open5gs/open5gs/issues/4261#event-21968563677","tags":["Issue Tracking"],"source":"cna@vuldb.com"},{"url":"https://github.com/open5gs/open5gs/issues/4261#issue-3787803578","tags":["Exploit","Issue Tracking","Vendor Advisory"],"source":"cna@vuldb.com"},{"url":"https://vuldb.com/?ctiid.343637","tags":["Permissions Required","VDB Entry"],"source":"cna@vuldb.com"},{"url":"https://vuldb.com/?id.343637","tags":["Third Party Advisory","VDB Entry"],"source":"cna@vuldb.com"},{"url":"https://vuldb.com/?submit.741193","tags":["Third Party Advisory","VDB Entry"],"source":"cna@vuldb.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-1738","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}