CVE-2026-89069: MOVEit Transfer Stored XSS Vulnerability in Ad Hoc Packages

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-14 · updated 2026-10-19
Weakness: CWE-79

Description

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Progress MOVEit Transfer (Ad Hoc module). This issue affects MOVEit Transfer: before 2025.1.6 and from 2026.0.0 before 2026.0.4.

Affected products

Progress MOVEit Transfer: before 2025.1.6; from 2026.0.0 before 2026.0.4 — fixed in 2025.1.6, 2026.0.4

How to fix

Upgrade to a fixed version: Progress MOVEit Transfer 2025.1.6, 2026.0.4. Check the vendor advisory for mitigations.

References

https://community.progress.com/s/article/MOVEit-Transfer-Critical-Security-Bulletin---September-2026

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