Is CVE-2026-4528 actively exploited?

No active exploitation of CVE-2026-4528 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-4528 be exploited remotely?

Yes. CVE-2026-4528 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-4528?

CVE-2026-4528 has a CVSS score of 7.3 (HIGH).

HOME VULNERABILITIESCVE-2026-4528

HIGH

CVE-2026-4528

CWE-918Published: March 21, 2026· Updated: Mar 23, 2026

7.3

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:11.2th

Official Description

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.

NVD Source

Technical Analysis

CVE-2026-4528 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.