Server-Side Request Forgery Vulnerability in Privoce VoceChat Server
CVE-2026-100893

6.9MEDIUM

Key Information:

Vendor

Privoce

Status
Vocechat Server
Vendor
CVE Published:
28 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-100893?

A security flaw has been identified in the Privoce VoceChat Server, specifically impacting the open_graph::fetch function within the src/api/resource.rs component. This vulnerability allows an attacker to manipulate the 'url' argument, potentially leading to server-side request forgery. The exploit can be executed remotely, creating a significant risk for systems running affected versions up to 0.5.36. Despite early communication regarding this vulnerability, there has been no response from the vendor, raising concerns about the security of their product.

Affected Version(s)

VoceChat Server 0.5.0

VoceChat Server 0.5.1

VoceChat Server 0.5.2

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-2026-100893 - Proof of Concept

References

https://vuldb.com/vuln/410843
vdb-entrytechnical-description
https://vuldb.com/vuln/410843/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-100893
third-party-advisory

CVSS V4

Score:
6.9
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

yumeu (VulDB User)
VulDB CNA Team
.