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CVE-2026-49831— DSpace: Curation Task Reporter output path is not restricted to trusted directories (Path Traversal Vulnerability)

Quick assessment

Affected
DSpace DSpace
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

DSpace 开源软件是一个提供数字资源持久化访问的存储库应用程序。在 7.6.7、8.4、9.3 和 10.0 版本之前，“策展任务”（Curation Task）功能允许通过 参数指定输出路径，通常用于流式传输策展任务操作的结果和状态。该参数未限制在特定的基础路径内，因此，任何 DSpace（通常运行在 'tomcat' 用户下）可写的路径都是允许的。这构成了 curate 脚本中的一个路径遍历漏洞。此问题已在 7.6.7、8.4、9.3 和 10.0 版本中修复。

CVSS 5.5 · Medium
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I. Basic Information for CVE-2026-49831

Vulnerability Information
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Vulnerability Title
DSpace: Curation Task Reporter output path is not restricted to trusted directories (Path Traversal Vulnerability)
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
DSpace DSpace < 7.6.7 -

II. Public POCs for CVE-2026-49831

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III. Intelligence Information for CVE-2026-49831

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Other References for CVE-2026-49831 (4)

Same Patch Batch · DSpace · 2026-09-02 · 4 CVEs total

CVE-2026-49832 8.0 HIGH DSpace: Remote Code Execution (RCE) possible in Velocity Templates used by LDN
CVE-2026-49833 5.5 MEDIUM DSpace: Path Traversal possible in LDN message generation
CVE-2026-49830 4.4 MEDIUM DSpace: ORE resource URI does not validate scheme for non-web resources

IV. Related Vulnerabilities

Same product: DSpace
Same vendor: DSpace
Same weakness: CWE-22

V. Comments for CVE-2026-49831

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