{"id":"CVE-2026-12766","aliases":["EUVD-2026-78084","GHSA-w3gg-r3w4-786c"],"status":"published","title":"Langflow is vulnerable to Server-Side Request Forgery due to missing or bypassable URL validation in multiple components","description":"IBM Langflow OSS 1.0.0 through 1.11.2 is vulnerable to server-side request forgery (SSRF). This may allow an authenticated attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00247,"percentile":0.16082,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-918"],"published":"2026-09-14T20:29:39Z","modified":"2026-11-05T03:31:25Z","products":[{"vendor":"ibm","product":"langflow oss"},{"vendor":"langflow","product":"langflow"}],"references":[{"url":"https://www.ibm.com/support/pages/node/7285639","tags":["vendor-advisory","patch","Patch","Vendor Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-12766"},{"url":"https://github.com/advisories/GHSA-w3gg-r3w4-786c"}],"sources":{"cve":[{"id":"CVE-2026-12766","title":"Langflow is vulnerable to Server-Side Request Forgery due to missing or bypassable URL validation in multiple components","description":"IBM Langflow OSS 1.0.0 through 1.11.2 is vulnerable to server-side request forgery (SSRF). This may allow an authenticated attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks.","status":"published","published":"2026-09-14T20:29:39.316Z","modified":"2026-09-15T17:31:48.171Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:19:47.998488Z"}],"euvd":[{"id":"EUVD-2026-78084","description":"IBM Langflow OSS 1.0.0 through 1.11.2 is vulnerable to server-side request forgery (SSRF). This may allow an authenticated attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks.","status":"published","published":"2026-09-14T20:29:39Z","modified":"2026-09-15T17:31:48Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T17:28:17.333425Z"}],"ghsa":[{"id":"GHSA-w3gg-r3w4-786c","title":"IBM Langflow OSS 1.0.0 through 1.11.2 is vulnerable to server-side request forgery (SSRF). This...","description":"IBM Langflow OSS 1.0.0 through 1.11.2 is vulnerable to server-side request forgery (SSRF). This may allow an authenticated attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks.","status":"published","published":"2026-09-14T21:31:46Z","modified":"2026-09-14T21:31:50Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T15:11:52.325814Z"}],"nvd":[{"id":"CVE-2026-12766","description":"IBM Langflow OSS 1.0.0 through 1.11.2 is vulnerable to server-side request forgery (SSRF). This may allow an authenticated attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks.","status":"published","published":"2026-09-14T21:17:00.713Z","modified":"2026-11-03T18:27:37.203Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-918"],"updated_at":"2026-11-03T20:18:15.652179Z"}],"osv":[{"id":"CVE-2026-12766","description":"IBM Langflow OSS 1.0.0 through 1.11.2 is vulnerable to server-side request forgery (SSRF). This may allow an authenticated attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks.","status":"published","published":"2026-09-14T21:17:00.713Z","modified":"2026-11-05T03:31:25.802989209Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-05T07:12:28.867005Z"}]}}