CVE-2026-19304CWE-918ssrf

CVE-2026-19304

High · published September 4, 2026

CVSS v3.1
7.7
EPSS
0%
Percentile
22.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.7 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00307 · 22.3th percentile
Weakness
CWE-918 · Server-Side Request Forgery (SSRF)
Published
2026-09-04T20:17Z
Affected products (1)
ProductVersionsFixed in
langflow/langflow≥ 1.0.0, < 1.11.31.11.3
References (1)
https://www.ibm.com/support/pages/node/7285639 · [email protected]
EPSS history
Timeline
  • 06 SEP 03:30Z
    EPSS moved — → 0%
    epss
  • 04 SEP 15:30Z
    Langflow is vulnerable to Server-Side Request Forgery due to missing or bypassable URL validation in multiple components
    cvelistv5