7.7

CVE-2026-19304: ibm langflow oss Server-Side Request Forgery (SSRF)

CVSS: 7.7v3.1HighAnalyzed
Published 04-09-2026Last modified 28-09-2026
Open JSON

Vulnerability summary

CVE-2026-19304 is a high (CVSS 7.7) Server-Side Request Forgery (SSRF) vulnerability in ibm langflow oss. EPSS estimates a 0.31% chance of exploitation in the next 30 days, higher than 22.1% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.7/10
010
High · v3.1 (CVE.org)
EPSS score
0.31%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 04-09-2026
    PublishedVulnerability first disclosed.
  2. 28-09-2026
    Last modifiedVulnerability information updated.

Description

IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote authenticated attacker to obtain sensitive information from internal services due to a URL parser discrepancy.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.31%

Chance of exploitation in the next 30 days

Percentile

22%

Versus all other CVEs

30-day change

0.00 pp

From 0.31% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.31%

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