CVE-2026-18545CWE-918ssrf

CVE-2026-18545

Medium · published August 29, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
11.5
In the wild
Unconfirmed
What it is

IBM Langflow OSS 1.0.0 through 1.11.1 is vulnerable to server-side request forgery (SSRF). This may allow an authenticated attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00217 · 11.5th percentile
Weakness
CWE-918 · Server-Side Request Forgery (SSRF)
Published
2026-08-29T02:16Z
Affected products (1)
ProductVersionsFixed in
langflow/langflow≥ 1.0.0, < 1.11.21.11.2
References (1)
https://www.ibm.com/support/pages/node/7284579 · [email protected]
EPSS history
Timeline
  • 30 AUG 16:16Z
    EPSS moved — → 0%
    epss
  • 28 AUG 20:49Z
    Langflow is affected by multiple authentication bypass, path traversal, authorization, and server-side request forgery vulnerabilities
    cvelistv5