{"id":"CVE-2025-71261","aliases":["GHSA-pgh9-mpwc-8jjf","GO-2026-5538"],"url":"https://o3.security/vulnerability/CVE-2025-71261","summary":"Harvester's SUSE Virtualization Registration Client Vulnerable to MITM and DOS","details":"An attacker with network-level access between the SUSE Virtualization \nand Rancher Manager in SUSE Harvester before 1.8.0 could interfere with the TLS handshake and abuse it \nto bypass TLS as a security control.","published":"2026-06-16T15:42:32.446Z","modified":"2026-07-31T18:30:42.027238993Z","cvss":{"score":8.6,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H"},"epss":{"score":0.00208,"percentile":0.11028,"asOf":"2026-08-09"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/harvester/harvester","fixedVersion":"1.8.0"}],"fix":null,"references":[{"type":"WEB","url":"https://github.com/harvester/harvester/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/71xxx/CVE-2025-71261.json"},{"type":"ADVISORY","url":"https://github.com/harvester/harvester/security/advisories/GHSA-pgh9-mpwc-8jjf"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-71261"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-31T18:30:42.027238993Z"}}