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3 vulnerabilities found for opensource-socialnetwork by opensource-socialnetwork

CVE-2026-108950 (GCVE-0-2026-108950)
Vulnerability from cvelistv5
Published
2026-10-12 12:13
Modified
2026-10-18 12:23
CWE
Summary
Open Source Social Network (OSSN) through 10.1 contains a missing authorization vulnerability in ossn_album_page_handler that allows unauthenticated attackers to download files via album/getphoto and album/getcover. Attackers can enumerate sequential file GUIDs to retrieve friends-only album photos and other stored files without any access check.
Impacted products
Show details on NVD website


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CVE-2026-108164 (GCVE-0-2026-108164)
Vulnerability from cvelistv5
Published
2026-10-10 13:55
Modified
2026-10-13 18:29
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Summary
Open Source Social Network (OSSN) through 10.1 contains an insecure direct object reference vulnerability in components/OssnMessages/ossn_com.php that allows authenticated users to read other users' private message attachments. Attackers can request the /messages/attachment/{guid} route with sequential or guessed file GUIDs to retrieve attachments from private conversations without sender or recipient verification.
Impacted products
Show details on NVD website


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CVE-2026-41309 (GCVE-0-2026-41309)
Vulnerability from cvelistv5
Published
2026-04-24 02:31
Modified
2026-04-24 18:17
CWE
  • CWE-770 - Allocation of Resources Without Limits or Throttling
  • CWE-400 - Uncontrolled Resource Consumption
Summary
Open Source Social Network (OSSN) is open-source social networking software developed in PHP. Versions prior to 9.0 are vulnerable to resource exhaustion. An attacker can upload a specially crafted image with extreme pixel dimensions (e.g., $10000 \times 10000$ pixels). While the compressed file size on disk may be small, the server attempts to allocate significant memory and CPU cycles during the decompression and resizing process, leading to a Denial of Service (DoS) condition. It is highly recommended to upgrade to OSSN 9.0. This version introduces stricter validation of image dimensions and improved resource management during the processing phase. Those who cannot upgrade immediately can mitigate the risk by adjusting their `php.ini` settings to strictly limit `memory_limit` and `max_execution_time` and/or implementing a client-side and server-side check on image headers to reject files exceeding reasonable pixel dimensions (e.g., $4000 \times 4000$ pixels) before processing begins.
Show details on NVD website


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