{"id":"CVE-2026-16140","aliases":["EUVD-2026-78572","GHSA-m238-h73w-r4f2"],"status":"published","title":"OpenBMC IPMI Privilege Escalation via Retargeted RAKP 1","description":"OpenBMC's IPMI implementation, phosphor-net-ipmid, is vulnerable to a logic flaw where the authorization context of an existing session can be replaced with a target account while still maintaining the original integrity and encryption keys. Several downstream vendors implement phosphor-net-ipmid as their IPMI stack, such as NVIDIA and H3C. This issue effectively allows for privilege escalation without re-authentication.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00392,"percentile":0.33732,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-863"],"published":"2026-09-15T13:57:19Z","modified":"2026-10-28T02:30:46Z","products":[{"vendor":"openbmc","product":"phosphor-net-ipmid"}],"references":[{"url":"https://www.runzero.com/advisories/openbmc-ipmi-privsec-rakp-cve-2026-16140/","tags":["third-party-advisory","advisory"]},{"url":"https://www.runzero.com/blog/lights-out-exposed/","tags":["related","article"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-16140","tags":["advisory"]},{"url":"https://www.runzero.com/advisories/openbmc-ipmi-privsec-rakp-cve-2026-16140"},{"url":"https://www.runzero.com/blog/lights-out-exposed"},{"url":"https://github.com/advisories/GHSA-m238-h73w-r4f2"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/16xxx/CVE-2026-16140.json","tags":["advisory"]},{"url":"https://github.com/openbmc/phosphor-net-ipmid","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-16140","title":"OpenBMC IPMI Privilege Escalation via Retargeted RAKP 1","description":"OpenBMC's IPMI implementation, phosphor-net-ipmid, is vulnerable to a logic flaw where the authorization context of an existing session can be replaced with a target account while still maintaining the original integrity and encryption keys. Several downstream vendors implement phosphor-net-ipmid as their IPMI stack, such as NVIDIA and H3C. This issue effectively allows for privilege escalation without re-authentication.","status":"published","published":"2026-09-15T13:57:19.31Z","modified":"2026-09-15T15:00:15.848Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:20:10.870108Z"}],"euvd":[{"id":"EUVD-2026-78572","description":"OpenBMC's IPMI implementation, phosphor-net-ipmid, is vulnerable to a logic flaw where the authorization context of an existing session can be replaced with a target account while still maintaining the original integrity and encryption keys. Several downstream vendors implement phosphor-net-ipmid as their IPMI stack, such as NVIDIA and H3C. This issue effectively allows for privilege escalation without re-authentication.","status":"published","published":"2026-09-15T13:57:19Z","modified":"2026-09-15T15:00:15Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T17:28:18.105573Z"}],"ghsa":[{"id":"GHSA-m238-h73w-r4f2","title":"OpenBMC's IPMI implementation, phosphor-net-ipmid, is vulnerable to a logic flaw where the...","description":"OpenBMC's IPMI implementation, phosphor-net-ipmid, is vulnerable to a logic flaw where the authorization context of an existing session can be replaced with a target account while still maintaining the original integrity and encryption keys. Several downstream vendors implement phosphor-net-ipmid as their IPMI stack, such as NVIDIA and H3C. This issue effectively allows for privilege escalation without re-authentication.","status":"published","published":"2026-09-15T15:32:11Z","modified":"2026-09-15T15:32:20Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:11:54.134441Z"}],"nvd":[{"id":"CVE-2026-16140","description":"OpenBMC's IPMI implementation, phosphor-net-ipmid, is vulnerable to a logic flaw where the authorization context of an existing session can be replaced with a target account while still maintaining the original integrity and encryption keys. Several downstream vendors implement phosphor-net-ipmid as their IPMI stack, such as NVIDIA and H3C. This issue effectively allows for privilege escalation without re-authentication.","status":"published","published":"2026-09-15T14:16:50.29Z","modified":"2026-09-18T19:30:42.73Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:12:47.668237Z"}],"osv":[{"id":"CVE-2026-16140","title":"OpenBMC IPMI Privilege Escalation via Retargeted RAKP 1","description":"OpenBMC's IPMI implementation, phosphor-net-ipmid, is vulnerable to a logic flaw where the authorization context of an existing session can be replaced with a target account while still maintaining the original integrity and encryption keys. Several downstream vendors implement phosphor-net-ipmid as their IPMI stack, such as NVIDIA and H3C. This issue effectively allows for privilege escalation without re-authentication.","status":"published","published":"2026-09-15T13:57:19.31Z","modified":"2026-10-28T02:30:46.096854214Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:44:57.682091Z"}]}}