Rembg: Unauthenticated SAM model injection permits local-file disclosure through malicious ONNX graphs

影響: pip:rembg < 2.0.82 → 2.0.82

The public /api/remove endpoint uses attacker-controlled extras.sam_model in both SAM filenames and GitHub download URLs. Path traversal plus a URL fragment lets an unauthenticated attacker place malicious ONNX models beside a target file. The models read the file as ONNX external data and encode its bytes into the returned PNG. This issue affects SAM's sam_model in 2.0.81 and returns complete file contents. Screenshot 1 — First unauthenticated request primes the path and returns HTTP 500. Tech…

在 GitHub Advisory Database 阅读

2026/10/27 23:45，GitHub Advisory Database 发布了“Rembg: Unauthenticated SAM model injection permits local-file disclosure through malicious ONNX graphs”（类型：漏洞公告）。严重程度为“高危”（high）。相关技术：Python。CVE：CVE-2026-115924。