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CVE-2026-81322— Cloaked plaintext leaks through a non-sensitive action argument in AshCloak

Quick assessment

Affected
ash-project ash_cloak
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 的 ash_cloak 库中存在“向非授权方泄露敏感信息”的漏洞，使得任何能够访问日志、错误跟踪器或崩溃报告的人，或任何能够触发校验错误的人，均可恢复该库所加密字段的明文内容。 具体机制如下： 会从操作的接受列表（accept list）中移除每个被“掩盖”（cloaked）的属性，并添加一个携带明文值的新参数，用于加密变更。该参数在构建时通过 继承源属性的 标志。因此，若被掩盖的属性未显式声明 ，则生成的新参数将被视为非敏感参数。 这个新参数是明文值唯一存在的位置，也是 Ash 框架不会对

CVSS 2.1 · Low
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I. Basic Information for CVE-2026-81322

Vulnerability Information
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Vulnerability Title
Cloaked plaintext leaks through a non-sensitive action argument in AshCloak
Source: CVE Program / CVE List V5
Vulnerability Description
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in ash-project ash_cloak allows anyone with access to logs, error trackers, or crash reports, or anyone who can trigger a validation error, to recover the plaintext of a field the library encrypts. AshCloak.Transformers.SetUpEncryption removes each cloaked attribute from the action's accept list and adds an action argument that carries the plaintext into the encryption change. That argument is built with sensitive?: attr.sensitive?, inheriting the flag from the source attribute, so a cloaked attribute declared without sensitive? true produces a non-sensitive argument. It is the only place the cleartext value lives, and the one place Ash will not redact: it appears verbatim in inspect(changeset), Ash.Error.Invalid and validation error messages, telemetry, :sys dumps, and error-tracker payloads. The generated encrypted attribute and decrypt calculation are already hardcoded sensitive. This issue affects ash_cloak: from 0.1.0 before 0.4.0.
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
信息暴露
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
ash-project ash_cloak 0.1.0 ~ 0.4.0 cpe:2.3:a:ash-project:ash_cloak:*:*:*:*:*:*:*:*
ash-project ash_cloak f1595a77fdfa9bfc672f84c2f77feb9e7bf895fc ~ ef49cfc832329fc8bc70ec6542a4dfff5dafd076 cpe:2.3:a:ash-project:ash_cloak:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-81322

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III. Intelligence Information for CVE-2026-81322

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Other References for CVE-2026-81322 (4)

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-2026-81316 2.1 LOW Same-named aggregates with differing filters are conflated in AshSql
CVE-2026-78691 2.1 LOW Unescaped backslash allows LIKE wildcard injection in AshSql string search
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_cloak
Same vendor: ash-project
Same weakness: CWE-200

V. Comments for CVE-2026-81322

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