CVE-2026-1879: Unrestricted Upload in Harvard University IQSS Dataverse
CVE-2026-1879 is a medium severity vulnerability in Harvard University IQSS Dataverse versions up to 6. 8. It involves an unrestricted file upload issue in the Theme Customization component, specifically in the /ThemeAndWidgets. xhtml file via manipulation of the uploadLogo argument. Remote exploitation is possible. The vendor has released version 6. 10 which mitigates this vulnerability. Users are advised to upgrade to this fixed version to address the issue.
AI Analysis
Technical Summary
This vulnerability affects the IQSS Dataverse software up to version 6.8, allowing an attacker to perform unrestricted file uploads by manipulating the uploadLogo argument in the Theme Customization component's /ThemeAndWidgets.xhtml file. This can be exploited remotely without user interaction and requires low privileges. The vulnerability has a CVSS 4.0 base score of 5.3, indicating medium severity. The vendor responded promptly and released version 6.10 which fixes the issue.
Potential Impact
Successful exploitation allows an attacker to upload arbitrary files to the affected system remotely, potentially leading to unauthorized file placement. The CVSS score of 5.3 reflects a medium impact with low attack complexity and no user interaction required. There are no known exploits in the wild at this time.
Mitigation Recommendations
Upgrade IQSS Dataverse to version 6.10 or later, as this version contains the official fix for the unrestricted upload vulnerability. The vendor has addressed the issue promptly, so applying the official patch is the recommended remediation. No additional mitigations are specified by the vendor.
CVE-2026-1879: Unrestricted Upload in Harvard University IQSS Dataverse
Description
CVE-2026-1879 is a medium severity vulnerability in Harvard University IQSS Dataverse versions up to 6. 8. It involves an unrestricted file upload issue in the Theme Customization component, specifically in the /ThemeAndWidgets. xhtml file via manipulation of the uploadLogo argument. Remote exploitation is possible. The vendor has released version 6. 10 which mitigates this vulnerability. Users are advised to upgrade to this fixed version to address the issue.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects the IQSS Dataverse software up to version 6.8, allowing an attacker to perform unrestricted file uploads by manipulating the uploadLogo argument in the Theme Customization component's /ThemeAndWidgets.xhtml file. This can be exploited remotely without user interaction and requires low privileges. The vulnerability has a CVSS 4.0 base score of 5.3, indicating medium severity. The vendor responded promptly and released version 6.10 which fixes the issue.
Potential Impact
Successful exploitation allows an attacker to upload arbitrary files to the affected system remotely, potentially leading to unauthorized file placement. The CVSS score of 5.3 reflects a medium impact with low attack complexity and no user interaction required. There are no known exploits in the wild at this time.
Mitigation Recommendations
Upgrade IQSS Dataverse to version 6.10 or later, as this version contains the official fix for the unrestricted upload vulnerability. The vendor has addressed the issue promptly, so applying the official patch is the recommended remediation. No additional mitigations are specified by the vendor.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-02-04T07:49:19.915Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 69ccee90e6bfc5ba1dbeb780
Added to database: 4/1/2026, 10:08:16 AM
Last enriched: 4/8/2026, 10:44:52 AM
Last updated: 5/16/2026, 6:46:10 PM
Views: 76
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