Vulnary
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Critical· 9.8

CVE-2026-79724

IBM Langflow OSS versions 1.0.0 through 1.11.5 contain a critical flaw that lets attackers run any operating‑system commands on the host. The vulnerability is caused by improper handling of special characters in command strings.

publishedSep 10, 2026
last modifiedSep 12, 2026
sourcesNVD
severity · cvss
9.8
critical · how bad it is
exploitation · epss
<1%
39th percentile · chance of exploitation in 30 days
(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →
auto-deletes from the system
counting…on Oct 25, 2026

No official fix yet. If none appears within 45 days of first tracking, this entry is removed automatically.

01

Who is affected

IBM Langflow OSS 1.0.0 to 1.11.5, used by developers building language‑model workflows.

02

Real-world impact

An attacker could execute arbitrary commands on the server, potentially taking full control, stealing data, or installing malware.

03

Why this severity

The CVSS score of 9.8 reflects that the flaw is network‑exploitable without authentication or user interaction, and it can compromise confidentiality, integrity, and availability.

04

What to do about it

no official fix yet

No official fix or mitigation is documented in the sources yet. Monitor the vendor advisory and apply the patch as soon as it is released.

No fix documented in sources

05

Timeline

06

How it’s attacked

Attack vectorNetwork (remote)
Attack complexityLow
Privileges requiredNone
User interactionNone needed
ScopeUnchanged
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
07

References & advisories

(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →