{"id":"CVE-2026-111720","summary":"fish-island-backend through commit 7c61b78 SSRF via /api/web/parse","details":"fish-island-backend through commit 7c61b78 contains an unauthenticated server-side request forgery vulnerability that allows remote attackers to make the server fetch attacker-supplied URLs via the url parameter of GET /api/web/parse. Attackers can target internal hosts, loopback services or cloud metadata endpoints through redirect-following OkHttp requests and read back page titles, meta descriptions and favicons.","modified":"2026-10-17T02:48:25.417108494Z","published":"2026-10-16T17:40:07.659Z","database_specific":{"cna_assigner":"VulnCheck","cwe_ids":["CWE-918"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111720.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111720.json"},{"type":"PACKAGE","url":"https://github.com/lhccong/fish-island-backend"},{"type":"ARTICLE","url":"https://github.com/lhccong/fish-island-backend/blob/7c61b7861e99d3970beb34103c244b79e4de7d88/src/main/java/com/cong/fishisland/config/CorsConfig.java#L33"},{"type":"ARTICLE","url":"https://github.com/lhccong/fish-island-backend/blob/7c61b7861e99d3970beb34103c244b79e4de7d88/src/main/java/com/cong/fishisland/controller/chat/WebParserController.java#L13-L25"},{"type":"ARTICLE","url":"https://github.com/lhccong/fish-island-backend/blob/7c61b7861e99d3970beb34103c244b79e4de7d88/src/main/java/com/cong/fishisland/service/impl/chat/WebParserServiceImpl.java#L28-L45"},{"type":"ADVISORY","url":"https://hackmd.io/@hieuPenguinnn/fish-island-web-parse-unauth-ssrf"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-111720"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/fish-island-backend-through-commit-7c61b78-ssrf-via-api-web-parse"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/lhccong/fish-island-backend","events":[{"introduced":"0"},{"last_affected":"7c61b7861e99d3970beb34103c244b79e4de7d88"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-111720.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"}]}