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CVE-2026-82725— AshPhoenix FilterForm allows filtering across non-public relationships, disclosing private related data

Quick assessment

Affected
ash-project ash_phoenix
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.

ash-project ash_phoenix 中通过用户可控密钥实现的授权绕过漏洞 ash-project 中的 ash_phoenix 存在一个授权绕过漏洞：攻击者可以通过控制过滤器表单参数 ，跨越资源作者标记为非公开的关联关系进行过滤，从而将返回的数据行转化为针对私有关联数据的布尔预言机（boolean oracle）。 漏洞细节： 使用 解析用户提供的路径中的每一跳关联关系，该函数会遍历私有关联，且仅检查终端字段是否公开。 会将指向关联关系的字段名重写为额外的路径段，因此形如 的输入也会被接受。 和 参数直

CVSS 2.3 · Low

Possible ATT&CK Techniques 1 AI

T1595 · Active Scanning
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I. Basic Information for CVE-2026-82725

Vulnerability Information
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Vulnerability Title
AshPhoenix FilterForm allows filtering across non-public relationships, disclosing private related data
Source: CVE Program / CVE List V5
Vulnerability Description
Authorization Bypass Through User-Controlled Key vulnerability in ash-project ash_phoenix lets an attacker who controls filter form parameters filter across relationships the resource author marked non-public, turning the returned rows into a boolean oracle over private related data. AshPhoenix.FilterForm resolved every relationship hop in the user-supplied path with Ash.Resource.Info.related/2, which traverses private relationships, and only checked the terminal field for publicity. parse_path_and_field/2 also rewrote a field naming a relationship into an extra path segment, so field=some_private_rel was accepted too. Both path and field come straight from form params, and the resulting ref went to Ash.Query.do_filter/2 without the public-only enforcement of Ash.Filter.parse_input/2. The fix resolves each hop with Ash.Resource.Info.public_relationship/2, rejecting the first non-public hop, and requires the terminal field to be public. This issue affects ash_phoenix: from 0.6.0-rc.1 before 2.3.25.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA: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

Affected Products

Vendor Product Affected Versions CPE Subscribe
ash-project ash_phoenix 0.6.0-rc.1 ~ 2.3.25 cpe:2.3:a:ash-project:ash_phoenix:*:*:*:*:*:*:*:*
ash-project ash_phoenix 06875682999938f607c970e71b6a80af90e18b3d ~ a3691a3cb0947e8f2dc2c3cbff138a3e6197a15b cpe:2.3:a:ash-project:ash_phoenix:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-82725

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III. Intelligence Information for CVE-2026-82725

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Other References for CVE-2026-82725 (4)

Same Patch Batch · ash-project · 2026-08-31 · 17 CVEs total

CVE-2026-77956 10.0 CRITICAL EEx template evaluation of prompt content in AshAi enables remote code execution
CVE-2026-77850 8.4 HIGH Stored XSS in AshAdmin relationship typeahead via unescaped label_field content
CVE-2026-82673 8.3 HIGH Path traversal in AshAdmin file uploads via unsanitized client filename
CVE-2026-82722 8.3 HIGH AshAdmin LiveView events intern atoms from client input, exhausting the atom table (node D
CVE-2026-75757 8.3 HIGH AshAdmin cookie reader matches names by substring, enabling actor/session shadowing from a
CVE-2026-82724 7.6 HIGH Broken access control in AshPhoenix SubdomainHook via a nil tenant in handle_subdomain
CVE-2026-81315 7.4 HIGH MCP DNS-rebinding origin check in AshAi is bypassed by a spoofed X-Forwarded-Proto header
CVE-2026-75760 7.1 HIGH AshAi vectorize change leaks raw embedding-provider errors, including credentials, in a us
CVE-2026-82564 7.1 HIGH Identity tool filter in AshAi accepts operator maps, allowing update or destroy of unident
CVE-2026-82726 6.3 MEDIUM AshPhoenix get_subdomain maps a crafted or differently-cased Host header to an arbitrary t
CVE-2026-82579 6.0 MEDIUM AshAi tool loop never terminates when all tool calls are filtered out, enabling denial of
CVE-2026-82580 5.3 MEDIUM AshAi echoes raw tool exception messages into the conversation, disclosing internal detail
CVE-2026-82727 2.3 LOW AshPhoenix Form.Auto leaks submitted params in an unknown _union_type error message
CVE-2026-81853 2.3 LOW AshAdmin composite primary key decoding accepts arbitrary fields, enabling a secret-attrib
CVE-2026-81852 2.1 LOW AshAdmin ships a hardcoded CSP nonce, allowing nonce-based CSP bypass
CVE-2026-82681 2.0 LOW Query-parameter injection in AshAdmin row-action links via unencoded string primary keys

IV. Related Vulnerabilities

Same product: ash_phoenix
Same vendor: ash-project
Same weakness: CWE-639

V. Comments for CVE-2026-82725

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