Home

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.

PUBLISHED Reserved 2026-03-21 | Published 2026-03-21 | Updated 2026-03-23 | Assigner VulDB




MEDIUM: 6.9CVSS: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
HIGH: 7.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
HIGH: 7.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
7.5AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

Server-Side Request Forgery

Product status

0.9.7
affected

Timeline

2026-03-21:Advisory disclosed
2026-03-21:VulDB entry created
2026-03-21:VulDB entry last update

Credits

din4 (VulDB User) reporter

References

vuldb.com/?id.352316 (VDB-352316 | trueleaf ApiFlow URL Validation http_proxy.service.ts validateUrlSecurity server-side request forgery) vdb-entry technical-description

vuldb.com/?ctiid.352316 (VDB-352316 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.784197 (Submit #784197 | trueleaf apiflow ≤0.9.7 Server-Side Request Forgery) third-party-advisory

www.notion.so/...in-ApiFlow-329ea92a3c4180489df2fa2702078fe5 exploit

cve.org (CVE-2026-4528)

nvd.nist.gov (CVE-2026-4528)

Download JSON