PT-2026-26946 · Trueleaf · Apiflow

Din4 · Published 2026-03-21 · Updated 2026-03-22 · CVE-2026-4528

Positive Technologies (AI Summary)

CVSS v2.0

7.5

High

Base vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions trueleaf ApiFlow version 0.9.7

Description A server-side request forgery condition exists in the URL Validation Handler component of trueleaf ApiFlow. The issue is located in the validateUrlSecurity function within the http proxy.service.ts file. This manipulation can lead to server-side request forgery. Remote exploitation is possible, and the exploit has been publicly disclosed.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

SSRF

Weakness Enumeration

CWE-918

Related Identifiers

CVE-2026-4528

Affected Products

Apiflow

References · 8

• 🔥 https://notion.so/Server-Side-Request-Forgery-SSRF-in-ApiFlow-329ea92a3c4180489df2fa2702078fe5 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-4528 · Security Note
• https://vuldb.com/?submit.784197 · Note
• https://vuldb.com/?id.352316 · Note
• https://twitter.com/VulmonFeeds/status/2035484197658190253 · Twitter Post
• https://twitter.com/cyberbivash/status/2035514927763370332 · Twitter Post
• https://twitter.com/CVEnew/status/2035619729046692061 · Twitter Post
• https://vuldb.com/?ctiid.352316 · Note