{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","favicon":"https://feed.craftedsignal.io/favicon-32x32.png","feed_url":"https://feed.craftedsignal.io/products/bytebase--1.0.1/feed.json","home_page_url":"https://feed.craftedsignal.io/","icon":"https://feed.craftedsignal.io/apple-touch-icon.png","items":[{"_cs_actors":[],"_cs_cpes":["cpe:2.3:a:bytebase:bytebase:*:*:*:*:*:*:*:*"],"_cs_cves":[{"cvss":9.8,"id":"CVE-2022-51026"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["Bytebase (\u003c 1.0.1)"],"_cs_severities":["critical"],"_cs_tags":[],"_cs_type":"advisory","_cs_vendors":["Bytebase"],"content_html":"\u003cp\u003eBytebase versions prior to 1.0.1 contain an authentication bypass vulnerability (CVE-2022-51026) in the \u003ccode\u003e/api/auth/login/GITLAB_SELF_HOST\u003c/code\u003e endpoint. The vulnerability exists because the application improperly trusts client-supplied GitLab provider configuration. An attacker can supply a malicious \u003ccode\u003einstanceUrl\u003c/code\u003e pointing to a server they control, which returns a fabricated active user response. Bytebase uses this response to generate session tokens, enabling the attacker to impersonate arbitrary users or create new accounts with elevated privileges.\u003c/p\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation allows unauthenticated attackers to gain unauthorized access to the Bytebase instance by impersonating existing users, including the Owner role, or by creating new members.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUpgrade Bytebase to version 1.0.1 or later immediately.\u003c/li\u003e\n\u003cli\u003eReview access logs and audit trails for unexpected authentication events or suspicious user creations within Bytebase if the instance was exposed during the vulnerable period.\u003c/li\u003e\n\u003cli\u003eDisable GitLab self-hosted authentication providers if they are not actively required for environment workflows.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-10-22T22:28:59Z","date_published":"2026-10-22T22:28:59Z","id":"https://feed.craftedsignal.io/briefs/2026-10-bytebase-auth-bypass/","summary":"Bytebase versions prior to 1.0.1 are vulnerable to an authentication bypass in the GitLab login flow, allowing unauthenticated attackers to impersonate any user, including administrative accounts.","title":"Bytebase: Authentication bypass via GitLab provider configuration (CVE-2022-51026)","url":"https://feed.craftedsignal.io/briefs/2026-10-bytebase-auth-bypass/"}],"language":"en","title":"CraftedSignal Threat Feed - Bytebase (\u003c 1.0.1)","version":"https://jsonfeed.org/version/1.1"}