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CVE-2025-342918.8/HIGHEPSS 94.0%CISA KEV
2025-12-05

Langflow CORS Misconfiguration and Token Hijacking leading to Remote Code Execution (CVE-2025-34291)

[Affected Scope] Langflow versions up to and including 1.6.9

[Impact] Attackers can hijack victim sessions to take over accounts and execute arbitrary code via built-in code execution features, leading to full system compromise

[Mitigation] Upgrade Langflow to the latest patched version, restrict CORS configurations, and update refresh token cookie attributes to Lax/Strict