# CVE-2026-93674 — IBM Langflow OSS

> As of 2026-10-08, CVE-2026-93674 is a CRITICAL-severity vulnerability in IBM Langflow OSS, CVSS v3.1 9.8, EPSS 2.6% (85.3th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2026-93674, most recently “IBM Langflow OSS Multiple Vulnerabilities Including Two Critical Unauthenticated RCE Flaws (CVE-2026-104334, CVE-2026-93674)”.

**Last updated:** 2026-10-08

## What is CVE-2026-93674?

IBM Langflow OSS 1.0.0 through 1.12.2 could allow a remote attacker to execute arbitrary code due to improper neutralization of special elements used in an OS command.

The record classifies CVE-2026-93674 under weakness class [CWE-94](https://intel.threadlinqs.com/cwe/CWE-94). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 4 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 9.8 — CRITICAL (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **EPSS (FIRST):** 2.6% probability of exploitation in the next 30 days, higher than 85.3% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 10/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-10-07, last modified 2026-10-08

## Is CVE-2026-93674 being exploited?

Weaponised exploit code for CVE-2026-93674 is publicly available. 1 public proof-of-concept repository is tracked for this identifier. A ProjectDiscovery Nuclei detection template exists (`http/cves/2026/CVE-2026-93674.yaml`). It currently carries a trending score of 65 in the Threadlinqs vulnerability feed.

- [rmhowe425/POC-CVE-2026-93674](https://github.com/rmhowe425/POC-CVE-2026-93674) (github)

## Affected products and versions

- [IBM](https://intel.threadlinqs.com/vendors/ibm): Langflow OSS

## How to fix CVE-2026-93674

No vendor patch reference has been recorded for CVE-2026-93674 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-93674

1 tracked threat in the Threadlinqs corpus references CVE-2026-93674, either in the campaign’s CVE list or as an indicator on the campaign record.

- [IBM Langflow OSS Multiple Vulnerabilities Including Two Critical Unauthenticated RCE Flaws (CVE-2026-104334, CVE-2026-93674)](https://intel.threadlinqs.com/threat/TL-2026-3314) — CRITICAL · 2026-10-11

## Sources

Enriched from CVE.org, FIRST EPSS, GitHub Security Advisories, public proof-of-concept repositories, ProjectDiscovery Nuclei. Last verified by Threadlinqs on 2026-10-11.

**Vendor advisory and patch**

- [ibm.com — vendor advisory](https://www.ibm.com/support/pages/node/7290694)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-93674
Full detection coverage and IOCs for threats exploiting CVE-2026-93674 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp