CVE-2026-1879

Medium

Description

A vulnerability was detected in Harvard University IQSS Dataverse up to 6.8. This affects an unknown function of the file /ThemeAndWidgets.xhtml of the component Theme Customization. Performing a manipulation of the argument uploadLogo results in unrestricted upload. Remote exploitation of the attack is possible. The exploit is now public and may be used. Upgrading to version 6.10 mitigates this issue. You should upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

SeverityMedium

CVSS6.3

Exploit probability—

ProductIQSS Dataverse

PublishedApr 1, 2026

First seenApr 1, 2026

Weakness typeCWE-434Unrestricted upload of dangerous file type CWE-284Improper access control

How to fix

Patches

github.com/IQSS/dataverse/releases/tag/v6.10

Affected products

Product	Affected versions	Fixed in
Harvard University IQSS Dataverse	6.0, 6.1, 6.2, 6.3, 6.4, 6.5, 6.6, 6.7, 6.8	—

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