CVE-2026-4528

HIGH 7.3

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

CVSS Score

7.3

EPSS Score

0.0%

EPSS Percentile

11th

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.

CWE	CWE-918
Vendor	trueleaf
Product	apiflow
Published	Mar 21, 2026
Last Updated	Mar 23, 2026

Stay Ahead of the Next One

Get instant alerts for trueleaf apiflow

Be the first to know when new high vulnerabilities affecting trueleaf apiflow are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

trueleaf / ApiFlow

0.9.7

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/?id.352316 vuldb.com: https://vuldb.com/?ctiid.352316 vuldb.com: https://vuldb.com/?submit.784197 notion.so: https://www.notion.so/Server-Side-Request-Forgery-SSRF-in-ApiFlow-329ea92a3c4180489df2fa2702078fe5

Credits

🔍 din4 (VulDB User)