| Title | o2oa https://github.com/o2oa/o2oa 10.0 Server-Side Request Forgery |
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| Description | O2OA 10.0 contains an authenticated server-side request forgery issue in /x_file_assemble_control/jaxrs/file/upload/with/url. The feature is intended to import a remote file by URL, but it accepts a user-controlled fileUrl, only rejects anonymous access, and uses an effectively unrestricted default HTTP allowlist. As a result, an authenticated user can cause the server to fetch loopback or internal HTTP/HTTPS resources, store the fetched bytes as a File object, and then retrieve the response body through /x_file_assemble_control/jaxrs/file/{id}/download, leading to information disclosure from otherwise non-publicly reachable services. |
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| Source | ⚠️ https://github.com/o2oa/o2oa/issues/195 |
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| User | larlarua (UID 97278) |
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| Submission | 04/12/2026 11:23 (3 months ago) |
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| Moderation | 04/28/2026 12:21 (16 days later) |
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| Status | Accepted |
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| VulDB entry | 359951 [o2oa up to 10.0 URL Fetching FileAction.java FileAction fileUrl server-side request forgery] |
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| Points | 20 |
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