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CVE-2026-63100— Maybe 0.6.0 Missing Authorization via HostingsController show/update

CVSS 6.5 · Medium EPSS 0.21% · P11

Affected Version Matrix 1

VendorProductVersion RangeStatus
maybe-financemaybe≤ 0.6.0affected
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I. Basic Information for CVE-2026-63100

Vulnerability Information
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Vulnerability Title
Maybe 0.6.0 Missing Authorization via HostingsController show/update
Source: CVE Program / CVE List V5
Vulnerability Description
Maybe through 0.6.0 contains a missing authorization vulnerability that allows authenticated low-privilege member-role users to access and modify global hosting settings by exploiting unprotected show and update actions in the Settings::HostingsController, where the before_action ensure_admin filter is applied only to the clear_cache action. Attackers can read the operator's Synth API key rendered in plaintext via a form field value attribute, overwrite it with an attacker-controlled value, toggle public registration settings, and disable email confirmation requirements to disrupt the entire instance.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Maybe 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Maybe Maybe是Maybe公司开源的一款个人财务管理软件。 Maybe 0.6.0及之前版本存在授权问题漏洞，该漏洞源于Settings::HostingsController中show和update操作缺少授权，允许经过身份验证的低权限会员用户访问和修改全局托管设置，读取明文操作员Synth API密钥、覆盖为攻击者控制的值、切换公开注册设置以及禁用邮件确认要求。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
maybe-financemaybe 0 ~ 0.6.0 -

II. Public POCs for CVE-2026-63100

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III. Intelligence Information for CVE-2026-63100

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Vendor Advisories for CVE-2026-63100 (1)

Other References for CVE-2026-63100 (1)

IV. Related Vulnerabilities

Same weakness: CWE-862

V. Comments for CVE-2026-63100

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