Vulnerabilities

Vulnerability · CVE-2026-117494

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.

Published Oct 27, 2026 · catalog updated Nov 4, 2026 · Sisense

Last checked Nov 5, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-117494. EPSS is 0.28%. Act only if a listed version of Sisense is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.28%
Remediation
Vendor / distro source
Affected products
vendor Sisense

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Sisenseversion unspecified

How to fix CVE-2026-117494

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-117494. EPSS is 0.28%. Act only if a listed version of Sisense is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.28%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 27, 2026 · EUVD

    Detected

    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.

  2. Nov 4, 2026 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-117494

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-117494

    30-day exploitation probability 0.28%

    first.org
  • EUVDVulnerability recordEUVD-2026-110643

    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

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 3, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • EUVDNov 5, 2026
  • FIRST EPSSNov 3, 2026
  • CVE.orgOct 27, 2026