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CVE-2025-3248

Missing Authentication for Critical Function: Is CVE-2025-3248 real, exploitable, or a false positive? Here's the community verdict.

signals

public sources

Exploited in wild
Yes
CISA KEV
Public exploit
Metasploit +2
Metasploit/EDB/PoC
Base severity
9.8 Critical
CVSS
Exploitation prob.
100%
FIRST EPSS
Weakness
CWE-306 · Missing Authentication for Critical Function
CWE

Confirmed exploited in the wild. Patch this first, regardless of the base score.

public exploits

links to sources — we don’t host code

A working exploit is publicly available from a maintained source. Treat this as higher urgency and verify your exposure.

baseline read

auto · not a community verdict

Real — exploited in the wild

CISA confirms active exploitation. Treat scanner hits as true positives unless your specific version or config is unaffected.

Based on CISA KEV

Confirm or dispute →
Affected:Langflow

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Langflow versions prior to 1.3.0 are susceptible to code injection in the /api/v1/validate/code endpoint. A remote and unauthenticated attacker can send crafted HTTP requests to execute arbitrary code.

Published

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In your experience, is this finding real and exploitable?

awaiting field verdicts
Real, but not a risk here
Not a real issue

Curated baseline: TruePositive's read from public sources is Real & exploitable — a starting point, not a community verdict.

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Field notes & remediation

Verdicts are the quick signal. Notes are the evidence and fixes behind them.

  • 0
    Field note · TruePositive EditorialCurated

    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. Listed in the CISA KEV catalog (added 2025-05-05) — confirmed exploited in the wild, not theoretical. It is linked to known ransomware campaigns. FIRST EPSS puts the chance of exploitation in the next 30 days at ~100%. Treat it as real and prioritize remediation over triage.

  • 0
    Remediation · TruePositive EditorialCurated

    Required action for Langflow Langflow: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. CISA set a federal remediation due date of 2025-05-26. After patching, verify the vulnerable path is no longer reachable before closing the finding.

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Same weakness: CWE-306 · Missing Authentication for Critical Function.