{"cve":"CVE-2026-34227","nvd":{"published":"2026-03-31T16:16:32.440","modified":"2026-07-24T20:10:00.147","status":"Analyzed","description":"Sliver is a command and control framework that uses a custom Wireguard netstack. Prior to version 1.7.4, a single click on a malicious link gives an unauthenticated attacker immediate, silent control over every active C2 session or beacon, capable of exfiltrating all collected target data (e.g. SSH keys, ntds.dit) or destroying the entire compromised infrastructure, entirely through the operator's own browser. This issue has been patched in version 1.7.4.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N","score":5.9},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-306","CWE-942"],"references":["https://github.com/BishopFox/sliver/security/advisories/GHSA-6fpf-248c-m7wm","https://github.com/BishopFox/sliver/security/advisories/GHSA-6fpf-248c-m7wm"],"products":["bishopfox:sliver"],"source":"nvd","synced_at":"2026-10-19T22:28:18.033120106+00:00"},"epss":{"cve":"CVE-2026-34227","score":0.00411,"percentile":0.35378,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-6fpf-248c-m7wm","url":"https://osv.dev/vulnerability/GHSA-6fpf-248c-m7wm","summary":"Sliver One-Click Remote Access: Insecure CORS & Unauthenticated MCP Interface","modified":"2026-06-25T18:56:05.877151569Z","packages":[{"ecosystem":"Go","name":"github.com/bishopfox/sliver","purl":"pkg:golang/github.com/bishopfox/sliver","ranges":["<1.7.4"],"fixed":["1.7.4"]}]},{"id":"GO-2026-5175","url":"https://osv.dev/vulnerability/GO-2026-5175","summary":"Sliver One-Click Remote Access: Insecure CORS & Unauthenticated MCP Interface in github.com/bishopfox/sliver","modified":"2026-06-25T18:45:13.449597879Z","packages":[{"ecosystem":"Go","name":"github.com/bishopfox/sliver","purl":"pkg:golang/github.com/bishopfox/sliver","ranges":["<1.7.4"],"fixed":["1.7.4"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}