8.8

CVE-2026-17623: ibm langflow oss OS Command Injection

CVSS: 8.8v3.1HighAnalyzed
Published 05-08-2026Last modified 06-08-2026
Open JSON

Vulnerability summary

CVE-2026-17623 is a high (CVSS 8.8) OS Command Injection vulnerability in ibm langflow oss. EPSS estimates a 0.79% chance of exploitation in the next 30 days, higher than 55.8% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.79%
0%100%
Low · -0.17 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 05-08-2026
    PublishedVulnerability first disclosed.
  2. 06-08-2026
    Last modifiedVulnerability information updated.

Description

IBM Langflow OSS 1.0.0 through 1.10.3 could allow a remote authenticated attacker to execute arbitrary commands due to improper validation of the command field in MCP server configurations.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.79%

Chance of exploitation in the next 30 days

Percentile

56%

Versus all other CVEs

30-day change

-0.17 pp

From 0.96% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.79%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ibm1 product
Langflow1 product

2 vendors · 2 products

References

1 links