Known vulnerability record
CVE-2025-3248
Langflow Missing Authentication Vulnerability
Summary
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.
Signals
Keep the signals separate
CVSS severitycriticalScore 9.8 · source VulnCheck
EPSS probability100.0%Probability of exploitation in the next 30 days; not severity
CISA KEVKnown exploitedAdded 2025-05-05
Ransomware useknownPreserved as known / unknown, not a truthy default
Timeline
Dates and provenance
- CVE published
- 2025-04-07
- CVE modified
- 2026-07-14
- KEV date added
- 2025-05-05
- Dataset fetched
- 2026-08-21T03:55:07.209Z
Sources
Original records
- https://www.cve.org/CVERecord?id=CVE-2025-3248 ↗
- https://nvd.nist.gov/vuln/detail/CVE-2025-3248 ↗
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-3248 ↗
Version history: normalized permanent page created 2026-08-20. Machine-enriched fields remain source-attributed.