{"action":"Upgrade github.com/jkroepke/openvpn-auth-oauth2 to 1.27.3 or later.","affected":[{"fixed":"1.27.3","introduced":"1.26.3"}],"component":"github.com/jkroepke/openvpn-auth-oauth2","cve_ids":["CVE-2026-41070"],"ecosystem":"Go","epss":0.00578,"exploited":false,"fixed_versions":["1.27.3"],"ghsa_id":"GHSA-246w-jgmq-88fg","id":"tcs_01M5KERCDMJBDYM0BETF80GW98","modified_at":"2026-05-20T19:41:27.183534498Z","published_at":"2026-04-22T14:28:11Z","references":["https://osv.dev/vulnerability/GHSA-246w-jgmq-88fg","https://github.com/jkroepke/openvpn-auth-oauth2/security/advisories/GHSA-246w-jgmq-88fg","https://nvd.nist.gov/vuln/detail/CVE-2026-41070","https://github.com/jkroepke/openvpn-auth-oauth2/pull/829","https://github.com/jkroepke/openvpn-auth-oauth2/commit/36f69a6c67c1054da7cbfa04ced3f0555127c8f2","https://github.com/OpenVPN/openvpn/blob/master/include/openvpn-plugin.h.in","https://github.com/OpenVPN/openvpn3/blob/master/doc/webauth.md","https://github.com/jkroepke/openvpn-auth-oauth2","https://github.com/jkroepke/openvpn-auth-oauth2/releases/tag/v1.27.3"],"severity":{"label":"critical","score":10},"sources":[{"source":"osv","source_id":"GHSA-246w-jgmq-88fg","url":"https://osv.dev/vulnerability/GHSA-246w-jgmq-88fg"}],"summary":"openvpn-auth-oauth2 returns FUNC_SUCCESS on client-deny, allowing unauthenticated VPN access"}