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CVE-2026-78693— Incomplete redaction re-attaches the original error path in AshGraphql, leaking internal field names

Quick assessment

Affected
ash-project ash_graphql
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 Framework AshGraphql是Ash Framework组织的一个提供GraphQL接口的开发框架。 Ash Framework AshGraphql 1.9.0版本至1.11.0之前版本存在信息泄露漏洞，该漏洞源于错误处理过程中路径信息被重新注入，当未配置field_names映射时错误路径会回退到内部字段名称，导致远程客户端能够读取内部字段名称。

CVSS 6.9 · Medium EPSS 0.52% · P43

Possible ATT&CK Techniques 1 AI

T1041 · Exfiltration Over C2 Channel

Affected Version Matrix 2

VendorProduct Version RangeStatus
ash-project ash_graphql 1.9.0< 1.11.0 affected
6d2d8d995906d68cc245d209a9b3f9853405eb61< 78e90d369f09f44c534816de541e60841066a467 affected
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I. Basic Information for CVE-2026-78693

Vulnerability Information
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Vulnerability Title
Incomplete redaction re-attaches the original error path in AshGraphql, leaking internal field names
Source: CVE Program / CVE List V5
Vulnerability Description
Generation of Error Message Containing Sensitive Information vulnerability in ash-project ash_graphql allows a remote client to read internal field names that an application configured its error_handler to redact. In AshGraphql.Errors, each error is passed to the configured error_handler and the returned map is merged with the pre-handler path via Map.put_new(handled, :path, path). Because put_new defers to the handler only when the handler itself set :path, a sanitizing handler that returns a fresh map or deletes :path has that decision reverted. The re-injected path comes from build_error_path/5, which falls back to raw internal Ash attribute and argument names when no field_names mapping is configured. A validation failure on a non-exposed or nested field therefore returns internal names in the GraphQL error path, defeating the application's redaction. This issue affects ash_graphql: from 1.9.0 before 1.11.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过错误消息导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Ash Framework AshGraphql 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Ash Framework AshGraphql是Ash Framework组织的一个提供GraphQL接口的开发框架。 Ash Framework AshGraphql 1.9.0版本至1.11.0之前版本存在信息泄露漏洞，该漏洞源于错误处理过程中路径信息被重新注入，当未配置field_names映射时错误路径会回退到内部字段名称，导致远程客户端能够读取内部字段名称。
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
ash-project ash_graphql 1.9.0 ~ 1.11.0 cpe:2.3:a:ash-project:ash_graphql:*:*:*:*:*:*:*:*
ash-project ash_graphql 6d2d8d995906d68cc245d209a9b3f9853405eb61 ~ 78e90d369f09f44c534816de541e60841066a467 cpe:2.3:a:ash-project:ash_graphql:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-78693

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III. Intelligence Information for CVE-2026-78693

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Patches & Fixes for CVE-2026-78693 (1)

Vendor Advisories for CVE-2026-78693 (1)

News Coverage for CVE-2026-78693 (1)

Vendor Pages for CVE-2026-78693 (1)

Same Patch Batch · ash-project · 2026-08-30 · 20 CVEs total

CVE-2026-81636 8.7 HIGH Query-complexity limit bypass via first/last pagination arguments in AshGraphql enables de
CVE-2026-78699 7.2 HIGH rename_tenant returns :ok on a failed rename, enabling cross-tenant access in AshPostgres
CVE-2026-80223 7.1 HIGH Cross-tenant subscription disclosure in AshGraphql authorizes notifications in memory with
CVE-2026-81633 6.9 MEDIUM Unhandled KeyError in AshGraphql relay node resolution crashes queries via an unknown type
CVE-2026-77454 5.9 MEDIUM exists/2 predicate silently dropped on limited relationships with a parent() filter in Ash
CVE-2026-81319 5.9 MEDIUM Unsafe deserialization of decrypted terms enables node DoS in AshCloak
CVE-2026-75847 5.9 MEDIUM Sensitive attribute values stored in a non-sensitive public changes map in AshPaperTrail
CVE-2026-78228 5.9 MEDIUM Unbounded handle_error recursion enables denial of service in AshOban triggers
CVE-2026-78038 5.9 MEDIUM Job argument injection via :args overrides primary_key and tenant in AshOban
CVE-2026-77970 5.9 MEDIUM Sensitive fields nested in embedded values are not redacted in AshPaperTrail versions
CVE-2026-82367 2.3 LOW Re-entrant synchronous publish in AshGraphql subscription batcher delivers one subscriber'
CVE-2026-81643 2.3 LOW Broken access control in AshGraphql subscription batcher applies authorization suppression
CVE-2026-80227 2.1 LOW SQL string_trim removes only spaces, diverging from in-memory trimming in AshSql
CVE-2026-78691 2.1 LOW Unescaped backslash allows LIKE wildcard injection in AshSql string search
CVE-2026-81316 2.1 LOW Same-named aggregates with differing filters are conflated in AshSql
CVE-2026-81318 2.1 LOW Distinct-query aggregate drops the tenant schema prefix, leaking across tenants in AshSql
CVE-2026-81322 2.1 LOW Cloaked plaintext leaks through a non-sensitive action argument in AshCloak
CVE-2026-77846 2.1 LOW JSON path injection via unescaped get_path segments in AshSqlite
CVE-2026-77831 2.1 LOW Algorithmic-complexity denial of service in AshPaperTrail full-diff list tracking

IV. Related Vulnerabilities

Same product: ash_graphql
Same vendor: ash-project
Same weakness: CWE-209

V. Comments for CVE-2026-78693

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