The vulnerability of the `get_flow_by_id_or_endpoint_name` function in the Langflow agent and workflow creation/execution tool allows a attacker to circumvent existing security restrictions.
🗓️ 04 Aug 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 3 Views
| Reporter | Title | Published | Views | Family All 20 |
|---|---|---|---|---|
 | Exploit for Authorization Bypass Through User-Controlled Key in Langflow | 30 Jun 202614:49 | – | githubexploit |
 | CVE-2026-55255 | 23 Jun 202616:28 | – | attackerkb |
 | CVE-2026-55255 | 19 Jun 202613:17 | – | circl |
 | Langflow Authorization Bypass Through User-Controlled Key Vulnerability | 7 Jul 202600:00 | – | cisa_kev |
 | CVE-2026-55255 | 23 Jun 202616:28 | – | cve |
 | CVE-2026-55255 Langflow: IDOR Vulnerability in `/api/v1/responses` Endpoint Allows Authenticated Attackers to Access Another User's Flow | 23 Jun 202616:28 | – | cvelist |
 | EUVD-2026-38517 | 23 Jun 202616:28 | – | euvd |
 | Langflow: IDOR Vulnerability in `/api/v1/responses` Endpoint Allows Authenticated Attackers to Access Another User's Flow | 19 Jun 202621:16 | – | github |
 | Langflow < 1.9.1 Multiple Vulnerabilities | 10 Jul 202600:00 | – | nessus |
 | CVE-2026-55255 | 23 Jun 202617:17 | – | nvd |
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04 Aug 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 26.8
CVSS 38.4
EPSS0.29052