{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-54157: LobeHub: Unauthenticated SSRF in `/webapi/proxy`","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-54157","status":"final","version":"1","initial_release_date":"2026-06-23T17:43:06.473Z","current_release_date":"2026-06-23T18:28:48.372Z","revision_history":[{"date":"2026-06-23T17:43:06.473Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"LobeHub is a work-and-lifestyle space to find, build, and collaborate with agent teammates that grow with you. Prior to 2.1.57, the /webapi/proxy endpoint on app.lobehub.com accepts a URL in the POST body and fetches it server-side without any authentication. An attacker can use this to make arbitrary outbound requests from LobeHub's infrastructure, leak Vercel deployment details, and inject cookies on the lobehub.com domain through reflected Set-Cookie headers. This vulnerability is fixed in 2.1.57.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-54157 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-54157"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-54157"},{"category":"external","summary":"https://github.com/lobehub/lobehub/security/advisories/GHSA-xmwj-c75x-6346","url":"https://github.com/lobehub/lobehub/security/advisories/GHSA-xmwj-c75x-6346"}]},"product_tree":{"branches":[{"category":"vendor","name":"lobehub","branches":[{"category":"product_name","name":"lobehub","branches":[{"category":"product_version","name":"< 2.1.57","product":{"name":"lobehub lobehub < 2.1.57","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:lobehub:lobehub:\\<_2.1.57:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-54157","title":"LobeHub: Unauthenticated SSRF in `/webapi/proxy`","notes":[{"category":"description","text":"LobeHub is a work-and-lifestyle space to find, build, and collaborate with agent teammates that grow with you. Prior to 2.1.57, the /webapi/proxy endpoint on app.lobehub.com accepts a URL in the POST body and fetches it server-side without any authentication. An attacker can use this to make arbitrary outbound requests from LobeHub's infrastructure, leak Vercel deployment details, and inject cookies on the lobehub.com domain through reflected Set-Cookie headers. This vulnerability is fixed in 2.1.57.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1"]},"scores":[{"cvss_v3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:H","baseScore":9,"baseSeverity":"CRITICAL"},"products":["CSAFPID-1"]}],"remediations":[{"category":"none_available","details":"No fixed version is published yet. Monitor the upstream advisory.","product_ids":["CSAFPID-1"]}]}]}