{"schema_version":1,"title":"github.com/oauth2-proxy/oauth2-proxy/v7 (Go) vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 9 vulnerabilities in github.com/oauth2-proxy/oauth2-proxy/v7 (Go): 0 in the last 7 days and 0 in the last 90 days, 2 of them critical and 0 exploited in the wild. The most recent, CVE-2026-40575, was published on 22 April 2026.","url":"https://junglewise.ai/threats/technologies/github-com-oauth2-proxy-oauth2-proxy-v7","json_url":"https://junglewise.ai/threats/technologies/github-com-oauth2-proxy-oauth2-proxy-v7.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/github-com-oauth2-proxy-oauth2-proxy-v7","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":1,"all_time":9,"critical":2,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":0,"last_365_days":6},"latest":[{"cve":"CVE-2026-40575","cvss":9.1,"epss":0.0048,"slug":"cve-2026-40575-oauth2-proxy-authentication-bypass-via-x-forwarded-uri-spoofing","title":"OAuth2 Proxy authentication bypass via X-Forwarded-Uri spoofing","severity":"critical","exploited":false,"published_at":"2026-04-22T00:16:27.817+00:00","url":"https://junglewise.ai/threats/cve-2026-40575-oauth2-proxy-authentication-bypass-via-x-forwarded-uri-spoofing"},{"cve":"CVE-2026-41059","cvss":8.2,"epss":0.0043,"slug":"cve-2026-41059-oauth2-proxy-has-an-authentication-bypass-via-fragment-confusion","title":"OAuth2 Proxy has an Authentication Bypass via Fragment Confusion in skip_auth_routes and skip_auth_regex","severity":"high","exploited":false,"published_at":"2026-04-15T19:24:13+00:00","url":"https://junglewise.ai/threats/cve-2026-41059-oauth2-proxy-has-an-authentication-bypass-via-fragment-confusion"},{"cve":"CVE-2026-40574","cvss":6.8,"epss":0.0034,"slug":"cve-2026-40574-oauth2-proxy-has-an-authorization-bypass-in-email-domain","title":"OAuth2 Proxy has an Authorization Bypass in Email Domain Validation via Malformed Multi-@ Email Claims","severity":"medium","exploited":false,"published_at":"2026-04-15T19:23:54+00:00","url":"https://junglewise.ai/threats/cve-2026-40574-oauth2-proxy-has-an-authorization-bypass-in-email-domain"},{"cve":"CVE-2026-34457","cvss":9.1,"epss":0.0066,"slug":"cve-2026-34457-oauth2-proxy-authentication-bypass-via-health-check-user-agent","title":"OAuth2 Proxy authentication bypass via health check User-Agent spoofing","severity":"critical","exploited":false,"published_at":"2026-04-14T23:16:28.33+00:00","url":"https://junglewise.ai/threats/cve-2026-34457-oauth2-proxy-authentication-bypass-via-health-check-user-agent"},{"cve":"CVE-2026-34454","cvss":3.5,"epss":0.0022,"slug":"cve-2026-34454-oauth2-proxy-insufficient-session-expiration-in-sign-in-page","title":"OAuth2 Proxy insufficient session expiration in sign-in page handler","severity":"low","exploited":false,"published_at":"2026-04-14T23:16:28.167+00:00","url":"https://junglewise.ai/threats/cve-2026-34454-oauth2-proxy-insufficient-session-expiration-in-sign-in-page"},{"cve":"CVE-2025-64484","cvss":3.1,"epss":0.0062,"slug":"cve-2025-64484-oauth2-proxy-is-vulnerable-to-header-smuggling-via-underscore","title":"GO-2025-4113 - OAuth2-Proxy is vulnerable to header smuggling via underscore leading to potential privilege escalation in github.com/oauth2-proxy/oauth2-pr","severity":"low","exploited":false,"published_at":"2025-11-17T19:11:23+00:00","url":"https://junglewise.ai/threats/cve-2025-64484-oauth2-proxy-is-vulnerable-to-header-smuggling-via-underscore"},{"cve":"CVE-2021-21411","cvss":3.1,"epss":0.0099,"slug":"cve-2021-21411-oauth2-proxy-s-gitlab-group-gitlab-group-authorization-config","title":"GO-2025-3832 - OAuth2-Proxy's `--gitlab-group` GitLab Group Authorization config flag stopped working in v7.0.0 in github.com/oauth2-proxy/oauth2-proxy","severity":"low","exploited":false,"published_at":"2025-08-11T17:24:51+00:00","url":"https://junglewise.ai/threats/cve-2021-21411-oauth2-proxy-s-gitlab-group-gitlab-group-authorization-config"},{"cve":"CVE-2025-54576","cvss":3.1,"epss":0.0117,"slug":"cve-2025-54576-oauth2-proxy-has-authentication-bypass-in-oauth2-proxy-skip-auth","title":"GO-2025-3833 - OAuth2-Proxy has authentication bypass in oauth2-proxy skip_auth_routes due to Query Parameter inclusion in github.com/oauth2-proxy/oauth2-p","severity":"low","exploited":false,"published_at":"2025-08-11T17:24:51+00:00","url":"https://junglewise.ai/threats/cve-2025-54576-oauth2-proxy-has-authentication-bypass-in-oauth2-proxy-skip-auth"},{"cve":"CVE-2021-21291","cvss":3.1,"epss":0.0158,"slug":"cve-2021-21291-subdomain-checking-of-whitelisted-domains-could-allow-unintended","title":"GO-2022-0790 - Subdomain checking of whitelisted domains could allow unintended redirects in oauth2-proxy in github.com/oauth2-proxy/oauth2-proxy","severity":"low","exploited":false,"published_at":"2024-08-21T15:28:59+00:00","url":"https://junglewise.ai/threats/cve-2021-21291-subdomain-checking-of-whitelisted-domains-could-allow-unintended"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"github.com/siyuan-note/siyuan/kernel (Go)","slug":"github-com-siyuan-note-siyuan-kernel","vulnerabilities":83,"url":"https://junglewise.ai/threats/technologies/github-com-siyuan-note-siyuan-kernel"},{"name":"code.gitea.io/gitea (Go)","slug":"code-gitea-io-gitea","vulnerabilities":76,"url":"https://junglewise.ai/threats/technologies/code-gitea-io-gitea"},{"name":"github.com/rclone/rclone (Go)","slug":"github-com-rclone-rclone","vulnerabilities":26,"url":"https://junglewise.ai/threats/technologies/github-com-rclone-rclone"},{"name":"gogs.io/gogs (Go)","slug":"gogs-io-gogs","vulnerabilities":25,"url":"https://junglewise.ai/threats/technologies/gogs-io-gogs"},{"name":"github.com/filebrowser/filebrowser/v2 (Go)","slug":"github-com-filebrowser-filebrowser-v2","vulnerabilities":18,"url":"https://junglewise.ai/threats/technologies/github-com-filebrowser-filebrowser-v2"},{"name":"github.com/fission/fission (Go)","slug":"github-com-fission-fission","vulnerabilities":18,"url":"https://junglewise.ai/threats/technologies/github-com-fission-fission"},{"name":"github.com/klever-io/klever-go (Go)","slug":"github-com-klever-io-klever-go","vulnerabilities":18,"url":"https://junglewise.ai/threats/technologies/github-com-klever-io-klever-go"},{"name":"code.vikunja.io/api (Go)","slug":"code-vikunja-io-api","vulnerabilities":15,"url":"https://junglewise.ai/threats/technologies/code-vikunja-io-api"},{"name":"github.com/cloudreve/Cloudreve/v4 (Go)","slug":"github-com-cloudreve-cloudreve-v4","vulnerabilities":15,"url":"https://junglewise.ai/threats/technologies/github-com-cloudreve-cloudreve-v4"},{"name":"github.com/gotenberg/gotenberg/v8 (Go)","slug":"github-com-gotenberg-gotenberg-v8","vulnerabilities":14,"url":"https://junglewise.ai/threats/technologies/github-com-gotenberg-gotenberg-v8"},{"name":"github.com/nezhahq/nezha (Go)","slug":"github-com-nezhahq-nezha","vulnerabilities":14,"url":"https://junglewise.ai/threats/technologies/github-com-nezhahq-nezha"},{"name":"github.com/fleetdm/fleet/v4 (Go)","slug":"github-com-fleetdm-fleet-v4","vulnerabilities":13,"url":"https://junglewise.ai/threats/technologies/github-com-fleetdm-fleet-v4"}],"technology":{"hub":true,"name":"github.com/oauth2-proxy/oauth2-proxy/v7 (Go)","slug":"github-com-oauth2-proxy-oauth2-proxy-v7","vendor":{"name":"Go","slug":"go","url":"https://junglewise.ai/threats/vendors/go"},"aliases":[],"homepage":"https://oauth2-proxy.github.io/oauth2-proxy/","repo_url":"https://github.com/oauth2-proxy/oauth2-proxy","description":"A reverse proxy and static file server that provides authentication using various providers.","url":"https://junglewise.ai/threats/technologies/github-com-oauth2-proxy-oauth2-proxy-v7"},"most_severe":[{"cve":"CVE-2026-34457","cvss":9.1,"epss":0.0066,"slug":"cve-2026-34457-oauth2-proxy-authentication-bypass-via-health-check-user-agent","title":"OAuth2 Proxy authentication bypass via health check User-Agent spoofing","severity":"critical","exploited":false,"published_at":"2026-04-14T23:16:28.33+00:00","url":"https://junglewise.ai/threats/cve-2026-34457-oauth2-proxy-authentication-bypass-via-health-check-user-agent"},{"cve":"CVE-2026-40575","cvss":9.1,"epss":0.0048,"slug":"cve-2026-40575-oauth2-proxy-authentication-bypass-via-x-forwarded-uri-spoofing","title":"OAuth2 Proxy authentication bypass via X-Forwarded-Uri spoofing","severity":"critical","exploited":false,"published_at":"2026-04-22T00:16:27.817+00:00","url":"https://junglewise.ai/threats/cve-2026-40575-oauth2-proxy-authentication-bypass-via-x-forwarded-uri-spoofing"},{"cve":"CVE-2026-41059","cvss":8.2,"epss":0.0043,"slug":"cve-2026-41059-oauth2-proxy-has-an-authentication-bypass-via-fragment-confusion","title":"OAuth2 Proxy has an Authentication Bypass via Fragment Confusion in skip_auth_routes and skip_auth_regex","severity":"high","exploited":false,"published_at":"2026-04-15T19:24:13+00:00","url":"https://junglewise.ai/threats/cve-2026-41059-oauth2-proxy-has-an-authentication-bypass-via-fragment-confusion"},{"cve":"CVE-2026-40574","cvss":6.8,"epss":0.0034,"slug":"cve-2026-40574-oauth2-proxy-has-an-authorization-bypass-in-email-domain","title":"OAuth2 Proxy has an Authorization Bypass in Email Domain Validation via Malformed Multi-@ Email Claims","severity":"medium","exploited":false,"published_at":"2026-04-15T19:23:54+00:00","url":"https://junglewise.ai/threats/cve-2026-40574-oauth2-proxy-has-an-authorization-bypass-in-email-domain"},{"cve":"CVE-2026-34454","cvss":3.5,"epss":0.0022,"slug":"cve-2026-34454-oauth2-proxy-insufficient-session-expiration-in-sign-in-page","title":"OAuth2 Proxy insufficient session expiration in sign-in page handler","severity":"low","exploited":false,"published_at":"2026-04-14T23:16:28.167+00:00","url":"https://junglewise.ai/threats/cve-2026-34454-oauth2-proxy-insufficient-session-expiration-in-sign-in-page"},{"cve":"CVE-2021-21291","cvss":3.1,"epss":0.0158,"slug":"cve-2021-21291-subdomain-checking-of-whitelisted-domains-could-allow-unintended","title":"GO-2022-0790 - Subdomain checking of whitelisted domains could allow unintended redirects in oauth2-proxy in github.com/oauth2-proxy/oauth2-proxy","severity":"low","exploited":false,"published_at":"2024-08-21T15:28:59+00:00","url":"https://junglewise.ai/threats/cve-2021-21291-subdomain-checking-of-whitelisted-domains-could-allow-unintended"},{"cve":"CVE-2025-54576","cvss":3.1,"epss":0.0117,"slug":"cve-2025-54576-oauth2-proxy-has-authentication-bypass-in-oauth2-proxy-skip-auth","title":"GO-2025-3833 - OAuth2-Proxy has authentication bypass in oauth2-proxy skip_auth_routes due to Query Parameter inclusion in github.com/oauth2-proxy/oauth2-p","severity":"low","exploited":false,"published_at":"2025-08-11T17:24:51+00:00","url":"https://junglewise.ai/threats/cve-2025-54576-oauth2-proxy-has-authentication-bypass-in-oauth2-proxy-skip-auth"},{"cve":"CVE-2021-21411","cvss":3.1,"epss":0.0099,"slug":"cve-2021-21411-oauth2-proxy-s-gitlab-group-gitlab-group-authorization-config","title":"GO-2025-3832 - OAuth2-Proxy's `--gitlab-group` GitLab Group Authorization config flag stopped working in v7.0.0 in github.com/oauth2-proxy/oauth2-proxy","severity":"low","exploited":false,"published_at":"2025-08-11T17:24:51+00:00","url":"https://junglewise.ai/threats/cve-2021-21411-oauth2-proxy-s-gitlab-group-gitlab-group-authorization-config"},{"cve":"CVE-2025-64484","cvss":3.1,"epss":0.0062,"slug":"cve-2025-64484-oauth2-proxy-is-vulnerable-to-header-smuggling-via-underscore","title":"GO-2025-4113 - OAuth2-Proxy is vulnerable to header smuggling via underscore leading to potential privilege escalation in github.com/oauth2-proxy/oauth2-pr","severity":"low","exploited":false,"published_at":"2025-11-17T19:11:23+00:00","url":"https://junglewise.ai/threats/cve-2025-64484-oauth2-proxy-is-vulnerable-to-header-smuggling-via-underscore"}],"generated_at":"2026-09-26T16:07:00.132667+00:00"}