{"id":"CVE-2026-116544","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-116544","generatedAt":"2026-10-28T02:58:21.888Z","title":"Open5GS 2.6.1 through 2.8.0 contains an out-of-bounds read vulnerability in parse_scheme_output() in lib/sbi/conv.c during SUCI de-concealment due to incomplete length validation.","description":"Open5GS 2.6.1 through 2.8.0 contains an out-of-bounds read vulnerability in parse_scheme_output() in lib/sbi/conv.c during SUCI de-concealment due to incomplete length validation. Remote unauthenticated UEs or SBI peers can submit a crafted SUCI with a 42-byte scheme output to a UDM, triggering a heap over-read past the buffer.","published":"2026-10-26T16:17:20.000Z","lastModified":"2026-10-26T17:17:27.000Z","status":"Deferred","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":6.3,"severity":"MEDIUM","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-125"],"affected":[],"epss":null,"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 no EPSS score yet. Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-26T16:17:20.000Z","detail":{"score":"6.3","severity":"MEDIUM","publishedAt":"2026-10-26T16:17:20.007Z"},"summary":"New CVE, medium severity (CVSS 6.3)."}],"references":[{"url":"https://github.com/open5gs/open5gs","source":"disclosure@vulncheck.com"},{"url":"https://github.com/open5gs/open5gs/blob/v2.8.0/lib/sbi/conv.c#L39","source":"disclosure@vulncheck.com"},{"url":"https://github.com/open5gs/open5gs/commit/fdddcd5e3359703f0a945b308e64494a18a534f1","source":"disclosure@vulncheck.com"},{"url":"https://github.com/open5gs/open5gs/security/advisories/GHSA-vp5f-rg8g-8p7j","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/open5gs-2.6.1-through-2.8.0-out-of-bounds-read-via-parse-scheme-output","source":"disclosure@vulncheck.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-116544","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."}