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archive/Patch now/AIR-2026-1382
closedclosed 14 Sep 2026Patch now2 Disclosed vulnerabilityAI

CVE-2026-12766: Server-side request forgery vulnerability in Langflow OSS

Langflow

An authenticated server-side request forgery vulnerability affects IBM Langflow OSS versions. The flaw enables authenticated attackers to send unauthorized requests and execute network enumeration.

disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why

CVSS
5.4
EPSS
<0.01 · top 84% · 2026-11-13
EPSS scores by FIRST
fix status
Fix status unknown
first report
14 Sep 2026
last update
14 Sep 2026
CVE ids
CVE-2026-12766other records

Timeline · 1

  1. 14 Sep 2026CVE-2026-12766: IBM Langflow OSS 1.0.0 through 1.11.2 is vulnerable to server-side request forgery (SSRF).

Sources · 1

Advisories and databases

  1. 2026-09-14
    CVE-2026-12766: IBM Langflow OSS 1.0.0 through 1.11.2 is vulnerable to server-side request forgery (SSRF).
    NVD · nvd.nist.gov/vuln/detail/CVE-2026-12766

Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.

Classification

lane
Patch now
AI role
Attack on AI
categories
Infrastructure vulnerability
severity
2 · Disclosed vulnerability
fix status
Fix status unknown
targets
Framework / tooling
owasp llm top 10
LLM03:2025 Supply Chain
mitre atlas
no technique for these categories
tags
ssrflangflow
dates
happened 14 Sep 2026 · first reported 14 Sep 2026
origin
NVD
Vulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
record
confidence 0.95 · created 2026-10-18 10:04Z · updated 2026-10-18 10:04Z

Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned

Copy a brief

This record as a short Markdown brief, for a ticket, a chat or a coding agent.

the brief as text
# CVE-2026-12766: Server-side request forgery vulnerability in Langflow OSS

https://gcdradar.vercel.app/incidents/cve-2026-12766-server-side-request-forgery-vulnerability-in · AIR-2026-1382 · closed 2026-09-14

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2026-09-14
- AI role: Attack on AI
- Products: Langflow
- CVE ids: CVE-2026-12766
- CVSS: 5.4

## Summary

An authenticated server-side request forgery vulnerability affects IBM Langflow OSS versions. The flaw enables authenticated attackers to send unauthorized requests and execute network enumeration.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2026-09-14: CVE-2026-12766: IBM Langflow OSS 1.0.0 through 1.11.2 is vulnerable to server-side request forgery (SSRF). (https://nvd.nist.gov/vuln/detail/CVE-2026-12766)

## Sources

- 2026-09-14 NVD: CVE-2026-12766: IBM Langflow OSS 1.0.0 through 1.11.2 is vulnerable to server-side request forgery (SSRF). https://nvd.nist.gov/vuln/detail/CVE-2026-12766

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.

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