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CVE-2026-81316— Same-named aggregates with differing filters are conflated in AshSql

Quick assessment

Affected
ash-project ash_sql
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 AshSql是Ash Framework组织的一个数据库系统。 Ash Framework AshSql 0.1.0版本至0.7.1之前版本存在授权问题漏洞，该漏洞源于错误授权，具体为聚合查询比较逻辑不正确，仅当过滤器和排序都不同时才认为不同，导致名称相同但过滤器不同的聚合被误判为相同，可能使调用者获取本应排除的数据聚合值，从而跨授权或租户边界泄露计数、总和或列表。

CVSS 2.1 · Low EPSS 0.17% · P6

Possible ATT&CK Techniques 1 AI

T1529 · System Shutdown/Reboot

Affected Version Matrix 2

VendorProduct Version RangeStatus
ash-project ash_sql 0.1.0< 0.7.1 affected
dd092ed273dec7bd2194352f24a39229fc8ae68b< 4b95468e5434a3526571414219719c9518be6694 affected
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I. Basic Information for CVE-2026-81316

Vulnerability Information
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Vulnerability Title
Same-named aggregates with differing filters are conflated in AshSql
Source: CVE Program / CVE List V5
Vulnerability Description
Incorrect Authorization vulnerability in ash-project ash_sql allows a caller to receive an aggregate value computed over rows a more restrictive filter should have excluded, disclosing counts, sums, or lists across an authorization or tenancy boundary. AshSql.Aggregate.different_queries?/2 reports two aggregate queries as different only when their filter and their sort both differ. Aggregate queries rarely carry a sort, so two aggregates that share a name but carry entirely different filters compare as identical. The colliding aggregate keeps its name and is treated as already computed, and select_aggregates returns the first-registered variant's value. The same name reaches the builder twice with different filters when actor or tenant context is stamped into each aggregate's query, so a narrowly filtered aggregate can be served the value of a previously registered broad one. This issue affects ash_sql: from 0.1.0 before 0.7.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
Ash Framework AshSql 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Ash Framework AshSql是Ash Framework组织的一个数据库系统。 Ash Framework AshSql 0.1.0版本至0.7.1之前版本存在授权问题漏洞，该漏洞源于错误授权，具体为聚合查询比较逻辑不正确，仅当过滤器和排序都不同时才认为不同，导致名称相同但过滤器不同的聚合被误判为相同，可能使调用者获取本应排除的数据聚合值，从而跨授权或租户边界泄露计数、总和或列表。
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_sql 0.1.0 ~ 0.7.1 cpe:2.3:a:ash-project:ash_sql:*:*:*:*:*:*:*:*
ash-project ash_sql dd092ed273dec7bd2194352f24a39229fc8ae68b ~ 4b95468e5434a3526571414219719c9518be6694 cpe:2.3:a:ash-project:ash_sql:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-81316

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III. Intelligence Information for CVE-2026-81316

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Patches & Fixes for CVE-2026-81316 (1)

Vendor Advisories for CVE-2026-81316 (3)

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-2026-78693 6.9 MEDIUM Incomplete redaction re-attaches the original error path in AshGraphql, leaking internal f
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-2026-81322 2.1 LOW Cloaked plaintext leaks through a non-sensitive action argument in AshCloak
CVE-2026-81318 2.1 LOW Distinct-query aggregate drops the tenant schema prefix, leaking across tenants in AshSql
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_sql
Same vendor: ash-project
Same weakness: CWE-863

V. Comments for CVE-2026-81316

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