Cross Site Scripting Vulnerability in Argilla by Argilla.io
CVE-2026-116555

4.8MEDIUM

Key Information:

Vendor

Argilla.io

Status
Argilla
Vendor
CVE Published:
26 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-116555?

A critical Cross Site Scripting vulnerability exists within Argilla versions up to 2.8.0, specifically in the 'sandbox' component located in the file argilla-frontend/components/features/annotation/container/fields/sandbox/Sandbox.vue. This vulnerability is triggered by manipulation of an argument template, allowing remote attackers to execute scripts in the context of a user's session. The issue has been publicly disclosed, raising concerns about potential exploitation. As of now, the project maintainers have been informed but have yet to provide a mitigation response.

Affected Version(s)

Argilla 2.0

Argilla 2.1

Argilla 2.2

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-2026-116555 - Proof of Concept

References

https://vuldb.com/vuln/426456
vdb-entrytechnical-description
https://vuldb.com/vuln/426456/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-116555
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Dem00000 (VulDB User)
VulDB CNA Team
.