---
title: "CVE-2026-117494: Unknown Product - Stored XSS"
description: "The product contains a stored XSS caused by processing of base64-encoded SVG images with embedded script tags in /api/v2/ai/sessions, letting attackers execute JavaScript and alter displayed content, exploit requires rendering in assistant window."
url: https://panop.io/threat-heartbeat/CVE-2026-117494/
---

# CVE-2026-117494 Unknown Product - Stored XSS

The product contains a stored XSS caused by processing of base64-encoded SVG images with embedded script tags in /api/v2/ai/sessions, letting attackers execute JavaScript and alter displayed content, exploit requires rendering in assistant window.

CVSS base score 8.3 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.28% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-117494)

## Details

Type

Stored XSS

Impact

Client Script Exec

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:L/VA:L/SC:H/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Published

27 October 2026

Updated

29 October 2026

Weakness

[CWE-79](https://cwe.mitre.org/data/definitions/79.html)

## Vendor fix

Sanitize SVG input to remove script tags or update to the latest version with this fix.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-117494](https://nvd.nist.gov/vuln/detail/CVE-2026-117494)
- [https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-sisenses-cloud-bi-platform](https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-sisenses-cloud-bi-platform)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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