CVE-2026-100612— Capgo SSO Provider ID认证绕过漏洞
一分钟漏洞结论
影响对象
Cap-go capgo.app
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
Capgo（capgo.app）在 12.261.0 及之前版本中存在一个针对 public.sso_providers 表的不完整访问控制修复。迁移脚本 安装了一个 触发器（ ），该触发器仅冻结 、 、 和 字段，而 （以及 和 ）仍保持可写状态。由于该表对 和 角色授予了 权限且无列级限制，且 PostgreSQL 行级安全策略（如 ）仅限制可更新的行，而不限制可更新的列，因此持有 权限的 角色用户可以通过 PostgREST 向 PATCH 请求中的 字段注入受其控制的身份提供商（IdP）。由于 是将电子邮件
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一、 漏洞 CVE-2026-100612 基础信息
漏洞信息
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Vulnerability Title
Capgo SSO Provider ID Authentication Bypass via Incomplete Migration
来源: CVE Program / CVE List V5
Vulnerability Description
Capgo (capgo.app) through version 12.261.0 contains an incomplete access-control fix for the public.sso_providers table. Migration 20260826100000_sso_providers_block_direct_active_insert.sql installs a BEFORE UPDATE guard (enforce_sso_provider_client_update_guard()) that freezes only the dns_verified_at, domain, status and enforce_sso columns; provider_id (as well as metadata_url and attribute_mapping) is left writable. Because the table is granted ALL to the anon and authenticated roles with no column-level restriction, and PostgreSQL row-level security policies such as allow_org_admins_update_sso_providers constrain only which row may be updated and not which columns, a user holding the org_admin tier permission org.update_settings can PATCH provider_id over PostgREST to an identity provider under their control. Since provider_id is the trust anchor binding an email domain to an authorized IdP, the attacker can then authenticate through their own IdP while asserting the org owner's email; the server-side provider match succeeds and the merge routine attaches the attacker's SSO identity to the existing owner account, nulls its password, and deletes its other identities and sessions. This results in vertical privilege escalation from org_admin to org owner/super_admin, account takeover, and lockout of the legitimate owner. Exploitation requires that the target organization has an active SSO provider configured and that the attacker already holds org_admin in that organization. No patched version is available.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
来源: CVE Program / CVE List V5
受影响产品
二、漏洞 CVE-2026-100612 的公开POC
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|---|
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CVE-2026-100612 厂商安全公告 (1)
CVE-2026-100612 其他参考 (1)
同批安全公告 · Cap-go · 2026-09-26 · 共 19 条
| CVE-2026-100619 | 8.8 HIGH | Capgo OTA app_versions.manifest 绕过导致的应用程序清单投毒漏洞 |
| CVE-2026-100614 | 8.8 HIGH | Capgo <12.244.1 跨租户图像覆盖漏洞 |
| CVE-2026-100623 | 8.8 HIGH | Capgo 认证绕过通过直接写入 PostgREST org_users 表 |
| CVE-2026-100617 | 8.8 HIGH | Cap-Go Authorization Bypass via channel_permission_overrides |
| CVE-2026-100615 | 8.8 HIGH | Capgo 12.267.1 前 API 密钥轮换提权漏洞 |
| CVE-2026-100618 | 8.5 HIGH | Capgo App Icon 更新特权提升漏洞 |
| CVE-2026-100627 | 8.1 HIGH | Capgo bundle promotion API 通道RBAC权限绕过漏洞 |
| CVE-2026-100622 | 7.5 HIGH | Capgo.app < 12.129.0 已删除捆绑包缓存恢复漏洞 |
| CVE-2026-100625 | 7.1 HIGH | Capgo Build Upload Proxy 授权绕过漏洞 |
| CVE-2026-100611 | 6.5 MEDIUM | Capgo apikey_manager 角色权限提升漏洞 |
| CVE-2026-100629 | 5.5 MEDIUM | Capgo后台<12.127.5权限提升漏洞 |
| CVE-2026-100616 | 5.5 MEDIUM | capgo.app PostgREST customer_id 认证绕过漏洞 |
| CVE-2026-100624 | 5.4 MEDIUM | Capgo.app 12.264.5之前构建上传过期绕过漏洞 |
| CVE-2026-100613 | 5.3 MEDIUM | capgo.app 通道权限覆盖导致授权绕过漏洞 |
| CVE-2026-100626 | 4.3 MEDIUM | Capgo通过PUT /app图标端点越权访问12.128.2 |
| CVE-2026-100628 | 4.3 MEDIUM | capgo.app 12.128.12 前 通过 apikey 绕过认证漏洞 |
| CVE-2026-100621 | 4.3 MEDIUM | Capgo Content-Lock 绕过漏洞 |
| CVE-2026-100620 | 3.8 LOW | Capgo CLI 7.98.2 过度权限漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2026-100612
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