Page generated: 07 Nov 2026, 05:01 UTC
← Dashboard

CVE-2025-3248

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.

CVSS 9.8 (CRITICAL) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
9.0/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 9.8: +1.47
  • Fresh EPSS: 99.99%: +0.50

General review priority, not probability, victim count or asset-specific risk. A range covers missing CVSS/EPSS inputs within the current evidence state.

Sources: 16 documents and public datasets.

Hype components

Headline sample (25%)
0/100
Press, 30 days (60%)
0/100
Grounded branding (15%)
0/100
HYPE TOTAL0/100

Sources and documents

Threat Intelligence
Press · 30 Sep 2026, 14:00 · Vulnerability Discovery and Exploitation Trends in the AI Era
Google Cloud
Press · 30 Sep 2026, 07:00 · Vulnerability Discovery and Exploitation Trends in the AI Era - Google Cloud
Recorded Future
Press · 07 Aug 2026, 07:00 · July 2026 CVE Landscape - Recorded Future
The Hacker News
Press · 21 Jul 2026, 07:00 · New ENCFORGE Ransomware Targets AI Model Files in Langflow RCE Attack - The Hacker News
Help Net Security
Press · 21 Jul 2026, 07:00 · JadePuffer returns with ransomware built to target AI models and infrastructure - Help Net Security
See all 16 source documents
https://tech-insider.org/
Press · 18 Jul 2026, 07:00 · JadePuffer AI Ransomware: CVE-2025-3248 Explained [2026] - https://tech-insider.org/
BleepingComputer
Press · 04 Jul 2026, 07:00 · JadePuffer ransomware used AI agent to automate entire attack - BleepingComputer
SecurityWeek
Press · 03 Jul 2026, 07:00 · Agentic AI Used to Conduct Ransomware Attack via Langflow - SecurityWeek
The Hacker News
Press · 02 Jul 2026, 07:00 · AI Agent Exploits Langflow RCE to Automate Database Ransomware Attack - The Hacker News
HackerNoon
Press · 26 Mar 2026, 07:00 · CVE-2026-33017: Unauthenticated RCE in Langflow’s Public Flow Endpoint Explained - HackerNoon
The Hacker News
Press · 20 Mar 2026, 07:00 · Critical Langflow Flaw CVE-2026-33017 Triggers Attacks within 20 Hours of Disclosure - The Hacker News
CyberSecurityNews
Press · 01 Jan 2026, 08:00 · Top 10 High-Risk Vulnerabilities Of 2026 that Exploited in the Wild - CyberSecurityNews
SecurityWeek
Press · 17 Jun 2025, 07:00 · Recent Langflow Vulnerability Exploited by Flodrix Botnet - SecurityWeek
www.trendmicro.com
Press · 17 Jun 2025, 07:00 · Critical Langflow Vulnerability (CVE-2025-3248) Actively Exploited to Deliver Flodrix Botnet - www.trendmicro.com
GBHackers News
Press · 17 Jun 2025, 07:00 · Hackers Weaponize Langflow Vulnerability to Launch Flodrix Botnet - GBHackers News
Recorded Future
Press · 23 May 2025, 07:00 · Langflow: CVE-2025-3248: Active Exploitation - Recorded Future

Score evolution

● Hype   ● Reality

Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.

First record: hype 0.0 · reality 9.0 (2026-11-02 15:13). The curve appears once the score changes.

Public exploit evidence

5

Public exploit entries / repo candidates

See 5 repos with metrics
RepositoryStarsForksLanguageUpdated
PuddinCat/CVE-2025-3248-POC30Python10 Apr 2025, 16:39
b0ySie7e/CVE-2025-3248-POC10Rust10 Dec 2025, 21:22
preemware/langflow-exploit10Python09 Aug 2026, 21:39
cpwjdgh/CVE-2025-3248-CTF-Lab00HTML18 Oct 2026, 22:12
wand3rlust/CVE-2025-324800Python08 Jan 2026, 06:13
Public exploit evidence
Evidence context and dated references

Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.

Evidence in context

Confidence in exploitation evidence
Exploitation recorded
Priority basis
Recorded exploitation; CVSS 9.8; EPSS 100.0%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
network access, no prior privileges, no user interaction.
Observed activity
Exploitation recorded in CISA KEV.
Known scale
Not quantified.
Evidence confidence basis
Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:59:34.986036+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
Published
07 Apr 2025, 14:22
Added to the CISA KEV catalog
05 May 2025, 00:00
First press mention
23 May 2025, 07:00
Latest press mention
30 Sep 2026, 14:00
Score calculated
05 Nov 2026, 13:59
PoCs on GitHub
5 repositories