Server-Side Request Forgery in Activepieces File URL Handler by Activepieces
CVE-2026-12813

5.3MEDIUM

Key Information:

Vendor

Activepieces

Status
Activepieces
Vendor
CVE Published:
21 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-12813?

A vulnerability was identified in Activepieces up to version 0.83.0, specifically within the handleUrlFile function of the File URL Handler component. This flaw enables remote attackers to exploit server-side request forgery (SSRF), allowing them to send unauthorized requests from the server to internal or external resources. The exploit has been publicly disclosed, posing a significant risk if left unaddressed, as the vendor has not responded to initial reports of this security issue.

Affected Version(s)

activepieces 0.1

activepieces 0.2

activepieces 0.3

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-12813 - Proof of Concept

References

https://vuldb.com/vuln/372607
vdb-entrytechnical-description
https://vuldb.com/vuln/372607/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-12813
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

ST4R (VulDB User)
VulDB CNA Team
.