{"id":"CVE-2026-5124","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-5124","generatedAt":"2026-10-28T04:44:00.927Z","title":"A security vulnerability has been detected in osrg GoBGP up to 4.3.0.","description":"A security vulnerability has been detected in osrg GoBGP up to 4.3.0. Affected is the function BGPHeader.DecodeFromBytes of the file pkg/packet/bgp/bgp.go of the component BGP Header Handler. The manipulation leads to improper access controls. Remote exploitation of the attack is possible. The attack is considered to have high complexity. The exploitability is told to be difficult. The identifier of the patch is f0f24a2a901cbf159260698211ab15c583ced131. To fix this issue, it is recommended to deploy a patch.","published":"2026-03-30T17:16:16.000Z","lastModified":"2026-06-17T10:58:29.000Z","status":"Analyzed","sourceIdentifier":"cna@vuldb.com","cvss":{"version":"4.0","score":6.3,"severity":"MEDIUM","vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/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-266","CWE-284"],"affected":["osrg/gobgp"],"epss":{"score":0.00298,"percentile":0.2239,"date":"2026-10-27","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 (0.30%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://github.com/osrg/gobgp/","tags":["Product"],"source":"cna@vuldb.com"},{"url":"https://github.com/osrg/gobgp/commit/f0f24a2a901cbf159260698211ab15c583ced131","tags":["Patch"],"source":"cna@vuldb.com"},{"url":"https://github.com/osrg/gobgp/pull/3340","tags":["Issue Tracking"],"source":"cna@vuldb.com"},{"url":"https://vuldb.com/submit/780189","tags":["Third Party Advisory","VDB Entry"],"source":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/354156","tags":["Third Party Advisory","VDB Entry"],"source":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/354156/cti","tags":["Permissions Required","VDB Entry"],"source":"cna@vuldb.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-5124","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."}