SWSandworm Watch
target entity

Langflow

4 source-linked records in the current knowledge graph.

high

CVE-2026-55255: Langflow Authorization Bypass Through User-Controlled Key Vulnerability

Langflow contains an authorization bypass through user-controlled key vulnerability which allows an authenticated attacker to execute any flow belonging to another user by specifying the victim's flow ID in the request. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

CVE-2026-55255EPSS 0.6%Langflow
CISA KEV ↗ · unattributed attribution
high

CVE-2025-34291: Langflow Origin Validation Error Vulnerability

Langflow contains an origin validation error vulnerability in which an overly permissive CORS configuration combined with a refresh token cookie configured as SameSite=None allows a malicious webpage to perform cross-origin requests that include credentials and successfully call the refresh endpoint. This could allow the attacker to execute arbitrary code and achieve full system compromise via obtained tokens that permit access to authenticated endpoints. Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

CVE-2025-34291EPSS 78.9%Langflow
CISA KEV ↗ · unattributed attribution
high

CVE-2026-33017: Langflow Code Injection Vulnerability

Langflow contains a code injection vulnerability that could allow building public flows without requiring authentication. Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

CVE-2026-33017EPSS 98.2%Langflow
CISA KEV ↗ · unattributed attribution
high

CVE-2025-3248: Langflow Missing Authentication Vulnerability

Langflow contains a missing authentication vulnerability in the /api/v1/validate/code endpoint that allows a remote, unauthenticated attacker to execute arbitrary code via crafted HTTP requests. Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

CVE-2025-3248EPSS 100.0%Langflow
CISA KEV ↗ · unattributed attribution