CVE-2025-3248
Langflow: Code Injection
- Act now
- CVSS 9.8 Critical
- CISA KEV, due
- VulnCheck KEV
- ENISA exploited-vulnerability catalog
What it is
ReportedLangflow 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.
Dates
What is affected
ReportedLangflow; Langflow. Product-level identification only; no affected-version conclusion is available from this field.
Dates
Urgency and basis
Tracker computedAct now
Current priority score and EPSS: loading from the tracker record. They are read when this page loads and are not shown without JavaScript. They change daily and are not part of "Source last updated".
Dates
Exploitation evidence
ReportedActive exploitation · CISA KEV · VulnCheck KEV · ENISA exploited-vulnerability catalog
Dates
What to do
ReportedApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Source remediation ↗Dates
Detection and validation
Mapped metadata availability only. These signals do not change priority.
Sigma
Antivirus - Exploitation Framework Signature. Level: critical. Status: stable.
Open Sigma metadataAtomic
Abuse Nslookup with DNS Records. Executor: powershell. Elevation: not reported.
Open Atomic metadataNuclei
Langflow AI - Unauthenticated Remote Code Execution. Check identifier: CVE-2025-3248.
Open Nuclei metadata
Evidence detail
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