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CVE-2026-70557— diboot-core Authenticated Arbitrary Field Read via loadRelatedData Discloses Password Hashes and Salts

Quick assessment

Affected
diboot diboot-core
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

dibo-software Diboot是dibo-software组织的一个企业级应用快速开发平台。 dibo-software Diboot 3.9.0及之前版本存在授权问题漏洞，该漏洞源于/common/load-related-data端点未对调用者提供的字段名进行有效验证，且缺乏字段和实体白名单，导致任何认证用户可读取@JsonIgnore注解的敏感字段（如IamAccount.authSecret和IamAccount.secretSalt），进而可能导致管理员账户接管。

CVSS 6.5 · Medium EPSS 0.39% · P30

Affected Version Matrix 1

VendorProduct Version RangeStatus
diboot diboot-core ≤ 3.9.0 affected
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I. Basic Information for CVE-2026-70557

Vulnerability Information
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Vulnerability Title
diboot-core Authenticated Arbitrary Field Read via loadRelatedData Discloses Password Hashes and Salts
Source: CVE Program / CVE List V5
Vulnerability Description
diboot-core's POST /common/load-related-data endpoint resolves caller-supplied field names to any @TableField column of any entity and returns those values for all rows, with no field or entity allowlist. The only guard, relatedDataSecurityCheck(), returns true unconditionally, so any authenticated user (including a zero-role account) can read @JsonIgnore-annotated secret fields such as IamAccount.authSecret and IamAccount.secretSalt for every account, or arbitrary secret fields of any other entity. Shiro's two-iteration MD5 with an 8-character salt is trivially crackable offline, so the disclosed admin password hashes convert to full administrative takeover. The endpoint is not example code; the official diboot-admin-ui frontend requires it, so deployments following the vendor's recommended integration expose it. The mechanism was renamed relatedData* to attachMore* on the development branch, but attachMoreSecurityCheck() also returns true unconditionally.
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
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
dibo-software Diboot 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
dibo-software Diboot是dibo-software组织的一个企业级应用快速开发平台。 dibo-software Diboot 3.9.0及之前版本存在授权问题漏洞，该漏洞源于/common/load-related-data端点未对调用者提供的字段名进行有效验证，且缺乏字段和实体白名单，导致任何认证用户可读取@JsonIgnore注解的敏感字段（如IamAccount.authSecret和IamAccount.secretSalt），进而可能导致管理员账户接管。
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

Vendor Product Affected Versions CPE Subscribe
diboot diboot-core 0 ~ 3.9.0 -

II. Public POCs for CVE-2026-70557

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III. Intelligence Information for CVE-2026-70557

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Patches & Fixes for CVE-2026-70557 (1)

IV. Related Vulnerabilities

Same weakness: CWE-639

V. Comments for CVE-2026-70557

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