{"id":"EUVD-2022-56076","enisaUuid":"8bb658cf-b8e5-3869-9c4d-d463153740fb","description":"Bytebase 0.12.0 before 1.0.1 contains an authentication bypass vulnerability that allows unauthenticated attackers to log in as any user. The flaw stems from trusting client-supplied GitLab provider configuration in the POST /api/auth/login/GITLAB_SELF_HOST endpoint. Attackers can set instanceUrl to a server they control that returns an active user with a chosen email. Bytebase then issues session tokens for that principal, letting attackers impersonate existing users including the Owner or create new members.","datePublished":"Oct 22, 2026, 7:13:18 PM","dateUpdated":"Oct 29, 2026, 2:24:08 AM","baseScore":9.3,"baseScoreVersion":"4.0","baseScoreVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","references":"https://github.com/bytebase/bytebase/security/advisories/GHSA-5r3p-6rj5-7937\nhttps://github.com/bytebase/bytebase/commit/d69e682243b25b51dd52912a26e2f259b5f3db2d\nhttps://github.com/bytebase/bytebase/pull/834\nhttps://github.com/bytebase/bytebase/blob/1.0.0/server/auth.go#L79-L93\nhttps://github.com/bytebase/bytebase/releases/tag/1.0.1\nhttps://github.com/bytebase/bytebase\nhttps://www.vulncheck.com/advisories/bytebase-0.12.0-before-1.0.1-authentication-bypass-via-gitlab-self-hosted-login\n","aliases":"CVE-2022-51026\nGHSA-ffpw-wpwq-rh9j\n","assigner":"VulnCheck","epss":0.61,"enisaIdProduct":[{"id":"b7f32e0c-f45a-3f4d-aebc-5f76c96d08e3","product":{"name":"bytebase","vendor":{"name":"bytebase"}},"product_version":"0.12.0 \u003c1.0.1"}],"enisaIdVendor":[{"id":"d3cf56b6-a730-39d5-8876-4a2287e1190c","vendor":{"name":"bytebase"}}],"enisaIdVulnerability":[{"id":"40db801a-9ec5-3e7f-9b97-74a0ba0d1085","vulnerability":{"id":"GHSA-ffpw-wpwq-rh9j","description":"Bytebase 0.12.0 before 1.0.1 contains an authentication bypass vulnerability that allows unauthenticated attackers to log in as any user. The flaw stems from trusting client-supplied GitLab provider configuration in the POST /api/auth/login/GITLAB_SELF_HOST endpoint. Attackers can set instanceUrl to a server they control that returns an active user with a chosen email. Bytebase then issues session tokens for that principal, letting attackers impersonate existing users including the Owner or create new members.","datePublished":"Oct 22, 2026, 9:32:35 PM","dateUpdated":"Oct 22, 2026, 9:32:35 PM","baseScore":0.0,"references":"https://github.com/bytebase/bytebase/security/advisories/GHSA-5r3p-6rj5-7937\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-51026\nhttps://github.com/bytebase/bytebase/pull/834\nhttps://github.com/bytebase/bytebase/commit/d69e682243b25b51dd52912a26e2f259b5f3db2d\nhttps://github.com/bytebase/bytebase\nhttps://github.com/bytebase/bytebase/blob/1.0.0/server/auth.go#L79-L93\nhttps://github.com/bytebase/bytebase/releases/tag/1.0.1\nhttps://www.vulncheck.com/advisories/bytebase-0.12.0-before-1.0.1-authentication-bypass-via-gitlab-self-hosted-login\n","enisa_id":"EUVD-2022-56076\n","aliases":"CVE-2022-51026\nGHSA-ffpw-wpwq-rh9j\n","epss":0.0,"dataProcessed":"Nov 3, 2026, 7:03:11 AM","vulnerabilityProduct":[],"vulnerabilityVendor":[]}},{"id":"7a8b0e23-273c-3ef5-8e08-288c8427cc4e","vulnerability":{"id":"CVE-2022-51026","description":"Bytebase 0.12.0 before 1.0.1 contains an authentication bypass vulnerability that allows unauthenticated attackers to log in as any user. The flaw stems from trusting client-supplied GitLab provider configuration in the POST /api/auth/login/GITLAB_SELF_HOST endpoint. Attackers can set instanceUrl to a server they control that returns an active user with a chosen email. Bytebase then issues session tokens for that principal, letting attackers impersonate existing users including the Owner or create new members.","datePublished":"Oct 22, 2026, 7:13:18 PM","dateUpdated":"Oct 29, 2026, 2:24:08 AM","status":"PUBLISHED","baseScore":9.3,"baseScoreVersion":"4.0","baseScoreVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","references":"https://github.com/bytebase/bytebase/security/advisories/GHSA-5r3p-6rj5-7937\nhttps://github.com/bytebase/bytebase/commit/d69e682243b25b51dd52912a26e2f259b5f3db2d\nhttps://github.com/bytebase/bytebase/pull/834\nhttps://github.com/bytebase/bytebase/blob/1.0.0/server/auth.go#L79-L93\nhttps://github.com/bytebase/bytebase/releases/tag/1.0.1\nhttps://github.com/bytebase/bytebase\nhttps://www.vulncheck.com/advisories/bytebase-0.12.0-before-1.0.1-authentication-bypass-via-gitlab-self-hosted-login\n","enisa_id":"EUVD-2022-56076\n","assigner":"VulnCheck","epss":0.61,"dataProcessed":"Nov 3, 2026, 7:15:02 AM","vulnerabilityProduct":[{"id":"15694754-1e56-3e11-ad15-c16ba1dc208b","product":{"name":"bytebase","vendor":{"name":"bytebase"}},"product_version":"0.12.0 \u003c1.0.1"}],"vulnerabilityVendor":[{"id":"b718fed5-3c45-3543-95a7-9fdfa2d44dd7","vendor":{"name":"bytebase"}}]}}],"enisaIdAdvisory":[]}