CVE-2026-4528CWE-918

trueleaf ApiFlow URL Validation http_proxy.service.ts validateUrlSecurity server-side request forgery

Medium · published March 21, 2026

CVSS v4.0
6.9
EPSS
0%
Percentile
41.2
In the wild
Unconfirmed
What it is

A vulnerability was determined in trueleaf ApiFlow 0.9.7. The impacted element is the function validateUrlSecurity of the file packages/server/src/service/proxy/http_proxy.service.ts of the component URL Validation Handler. This manipulation causes server-side request forgery. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized.

The record
Technical detail
CVSS v4.0
6.9 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00490 · 41.2th percentile
Weakness
CWE-918 · Server-Side Request Forgery (SSRF)
Published
2026-03-21T22:02Z
EPSS history
Timeline
  • 21 MAR 22:02Z
    trueleaf ApiFlow URL Validation http_proxy.service.ts validateUrlSecurity server-side request forgery
    cvelistv5