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: 2026-03-21
Score: 6.9 Medium
EPSS: < 1% Very Low
KEV: No
Impact: Server Side Request Forgery
Action: Immediate Patch
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Remediation

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History

Mon, 23 Mar 2026 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 23 Mar 2026 10:00:00 +0000

Type Values Removed Values Added
First Time appeared Trueleaf
Trueleaf apiflow
Vendors & Products Trueleaf
Trueleaf apiflow

Sat, 21 Mar 2026 22:15:00 +0000

Type Values Removed Values Added
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.
Title trueleaf ApiFlow URL Validation http_proxy.service.ts validateUrlSecurity server-side request forgery
Weaknesses CWE-918
References
Metrics cvssV2_0

{'score': 7.5, 'vector': 'AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 7.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 7.3, 'vector': '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'}

cvssV4_0

{'score': 6.9, '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'}


Subscriptions

Trueleaf Apiflow
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-03-23T16:25:13.688Z

Reserved: 2026-03-21T07:36:25.895Z

Link: CVE-2026-4528

cve-icon Vulnrichment

Updated: 2026-03-23T16:25:01.171Z

cve-icon NVD

Status : Deferred

Published: 2026-03-21T22:16:20.137

Modified: 2026-04-29T01:00:01.613

Link: CVE-2026-4528

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-03-25T14:46:59Z

Weaknesses