一线运维实战手记 · 云计算 · 数据库 · 故障排查
2026年10月1日

CVE-2026-103396 [MEDIUM] – bbs-go through 4.4.6 contains a permission bypass vulnerability in the AdminMiddleware aut

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bbs-go through 4.4.6 contains a permission bypass vulnerability in the AdminMiddleware authorization logic where the read-only dashboard.user.view permission rule matches the /api/admin/user/synccount endpoint before the intended dashboard.user.update rule. Authenticated users with only view permissions can call the synccount endpoint to trigger expensive full-table user recounts and cache invalidations, causing denial of service through repeated concurrent database operations.