# CVE-2026-117494: Multiple vulnerabilities in Sisense’s Cloud BI Platform

Status: published. Published: 2026-10-27. Updated: 2026-11-04.

Cross-Site Scripting (XSS) in the processing of SVG images submitted to the /api/v2/ai/sessions API in the format data:image/svg+xml;base64. Script tags embedded in the SVG are processed when the content is rendered in the assistant window, allowing JavaScript to be executed and the displayed content to be altered.

## Remediation

- fix: No solution has been reported as yet. (source: CNA: INCIBE)

## Affected products and versions

- Sisense / Cloud BI Platform: ≥ 0; < 27/10/2026 (affected, custom). Source: CNA: INCIBE

## Severity and prioritization

- CVSS 4.0: 8.3 (high); 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; source: CNA: INCIBE

- CVSS 4.0: 8.3 (high); 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; source: NVD: cve-coordination@incibe.es

- CISA KEV: No listing in collected sources

- EPSS: 0.28% as of 2026-11-04; percentile 21.02%

- SSVC: exploitation none; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-79

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-sisenses-cloud-bi-platform (CNA: INCIBE)

- https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-sisenses-cloud-bi-platform (cve-coordination@incibe.es)

## Provenance

- CNA: INCIBE: https://www.cve.org/CVERecord?id=CVE-2026-117494; retrieved 2026-11-04; source updated 2026-11-04

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-117494; retrieved 2026-11-04; source updated 2026-11-04

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-117494; retrieved 2026-11-04; source updated Not reported

Revision: 3e7fb1583004c5b1182f3852b5093f85a5757c5fe2ef4050fdcfe0d188fa5c73

Canonical: https://y2.dev/cve/CVE-2026-117494

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