DSpace up to 7.6.6/8.3/9.2/10-rc1 Curation Task r path traversal

Summaryinfo

A vulnerability has been found in DSpace up to 7.6.6/8.3/9.2/10-rc1 and classified as problematic. The affected element is an unknown function of the component Curation Task. The manipulation of the argument r leads to path traversal. This vulnerability is documented as CVE-2026-49831. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in DSpace up to 7.6.6/8.3/9.2/10-rc1. This issue affects an unknown part of the component Curation Task. The manipulation of the argument r with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is integrity, and availability. The summary by CVE is:

DSpace open source software is a repository application which provides durable access to digital resources. Prior to versions 7.6.7, 8.4, 9.3, and 10.0, the Curation Task feature allows an output path to be used by the reporter (-r parameter), typically used to stream results and status of curation task operations. It is not restricted to any particular base path, meaning that any path writable by the DSpace (often 'tomcat') user is allowed. This constitutes a Path Traversal Vulnerability in the curate script. This issue has been patched in versions 7.6.7, 8.4, 9.3, and 10.0.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-49831 since 06/01/2026. The exploitation is known to be easy. The attack may be initiated remotely. The exploitation needs additional levels of successful authentication. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

Upgrading to version 7.6.7, 8.4, 9.3 or 10.0 eliminates this vulnerability.

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Productinfo

Name

• DSpace

Version

• 7.6.0
• 7.6.1
• 7.6.2
• 7.6.3
• 7.6.4
• 7.6.5
• 7.6.6
• 8.0
• 8.1
• 8.2
• 8.3
• 9.0
• 9.1
• 9.2
• 10-rc1

Website

• Product: https://github.com/DSpace/DSpace/

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