CVE-2026-11747: Seres Software Syweb

Medium severity, CVSS 6.1. EPSS: 0.2% chance of exploitation in the next 30 days.

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Seres Software syWEB allows Reflected XSS. This issue affects syWEB: through 27082026. NOTE: The vendor was contacted and it was learned that the product is not supported.

Affected products

• Seres Software Syweb: up to and including 27082026

Published 2026-08-27. Last modified 2026-08-28.