CVE-2026-77351— Wallos 邮件通知设置中未验证SMTP主机导致SSRF漏洞
一分钟漏洞结论
影响对象
ellite Wallos
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。
Wallos is an open-source, self-hostable personal subscription tracker. Prior to version 5.0.0, Wallos lets any authenticated user store an arbitrary SMTP host — including private and cloud-metadata IP addresses — in their personal email notification settings,
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一、 漏洞 CVE-2026-77351 基础信息
漏洞信息
尽管我们使用了先进的大模型技术，但其输出仍可能包含不准确或过时的信息。神龙努力确保数据的准确性，但请您根据实际情况进行核实和判断。
Vulnerability Title
Wallos: SSRF via Unvalidated User-Level SMTP Host in Email Notification Settings
来源: CVE Program / CVE List V5
Vulnerability Description
Wallos is an open-source, self-hostable personal subscription tracker. Prior to version 5.0.0, Wallos lets any authenticated user store an arbitrary SMTP host — including private and cloud-metadata IP addresses — in their personal email notification settings, with no server-side SSRF validation. When the scheduled notification cron job runs, it passes the stored host directly to PHPMailer, causing the Wallos server to open an outbound TCP connection to whatever address the attacker specified. This gives a low-privileged attacker a reliable mechanism to probe internal network services from the server's perspective. This issue has been patched in version 5.0.0.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N
来源: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
来源: CVE Program / CVE List V5
受影响产品
二、漏洞 CVE-2026-77351 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-77351 其他参考 (3)
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https://github.com/ellite/Wallos/releases/tag/v5.0.0 x_refsource_MISC
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https://github.com/ellite/Wallos/security/advisories/GHSA-mwqv-gv8x-9jcp x_refsource_CONFIRM
同批安全公告 · ellite · 2026-08-31 · 共 13 条
| CVE-2026-61640 | 8.5 HIGH | Wallos OIDC 配置 SSRF 漏洞 |
| CVE-2026-61639 | 8.5 HIGH | Wallos 数据库恢复Zip Slip路径遍历漏洞 |
| CVE-2026-54600 | 8.2 HIGH | Wallos 新安装时未授权导入端点数据库替换 |
| CVE-2026-61638 | 8.2 HIGH | Wallos SMTP主机/端口未验证导致SSRF漏洞 |
| CVE-2026-77348 | 8.2 HIGH | Wallos支付搜索接口HTTPoxy SSRF漏洞 |
| CVE-2026-61641 | 8.1 HIGH | Wallos 未校验邮箱验证致 OIDC 账户接管漏洞 |
| CVE-2026-54598 | 7.5 HIGH | Wallos 关键功能认证缺失 |
| CVE-2026-54599 | 7.5 HIGH | Wallos OIDC state未验证，登录CSRF/账户接管 |
| CVE-2026-77353 | 4.6 MEDIUM | Wallos CRLF注入漏洞 |
| CVE-2026-50199 | 4.3 MEDIUM | Wallos API层汇率刷新时跨用户凭证消费 |
| CVE-2026-50198 | 4.3 MEDIUM | Wallos 跨用户订阅成本推断漏洞 |
| CVE-2026-77352 | 4.3 MEDIUM | Wallos 低权限用户 SMTP 通知主机认证SSRF |
IV. Related Vulnerabilities
V. Comments for CVE-2026-77351
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