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CVE-2026-77970— Sensitive fields nested in embedded values are not redacted in AshPaperTrail versions

Quick assessment

Affected
ash-project ash_paper_trail
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 AshPaperTrail是Ash Framework组织开源的一款记录数据变更历史的审计跟踪工具。 Ash Framework AshPaperTrail 0.3.0版本至0.7.0之前版本存在加密问题漏洞，该漏洞源于敏感属性的清理仅作用于顶层属性，未对嵌入资源、联合或列表中的敏感字段进行脱敏，导致敏感信息以明文形式存储于版本表中，可能允许具有读取权限的攻击者恢复敏感值。

CVSS 5.9 · Medium EPSS 0.12% · P2

Affected Version Matrix 2

VendorProduct Version RangeStatus
ash-project ash_paper_trail 0.3.0< 0.7.0 affected
ffe5e03b14d26b73bff17f3eca811591788aba9c< 0cd4acfe7f48397673d8594fb5e2cd0f1bda6e40 affected
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I. Basic Information for CVE-2026-77970

Vulnerability Information
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Vulnerability Title
Sensitive fields nested in embedded values are not redacted in AshPaperTrail versions
Source: CVE Program / CVE List V5
Vulnerability Description
Cleartext Storage of Sensitive Information vulnerability in ash-project ash_paper_trail allows an attacker with read access to the generated version resource to recover sensitive values nested inside embedded resources, unions, or lists. sensitive_attributes :redact and :ignore only act on the tracked resource's top-level attributes. maybe_redact_changes/3 and the stored-action-input path in AshPaperTrail.Resource.Changes.CreateNewVersion derive the sensitive set from the resource's own attributes and never descend into embedded, union, or list values, so a non-sensitive attribute or action argument that holds an embed with a sensitive? field (for example an accepted credentials embed carrying a token) is written to the version table in cleartext. This issue affects ash_paper_trail: from 0.3.0 before 0.7.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
敏感数据的明文存储
Source: CVE Program / CVE List V5
Vulnerability Title
Ash Framework AshPaperTrail 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Ash Framework AshPaperTrail是Ash Framework组织开源的一款记录数据变更历史的审计跟踪工具。 Ash Framework AshPaperTrail 0.3.0版本至0.7.0之前版本存在加密问题漏洞，该漏洞源于敏感属性的清理仅作用于顶层属性，未对嵌入资源、联合或列表中的敏感字段进行脱敏，导致敏感信息以明文形式存储于版本表中，可能允许具有读取权限的攻击者恢复敏感值。
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_paper_trail 0.3.0 ~ 0.7.0 cpe:2.3:a:ash-project:ash_paper_trail:*:*:*:*:*:*:*:*
ash-project ash_paper_trail ffe5e03b14d26b73bff17f3eca811591788aba9c ~ 0cd4acfe7f48397673d8594fb5e2cd0f1bda6e40 cpe:2.3:a:ash-project:ash_paper_trail:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-77970

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III. Intelligence Information for CVE-2026-77970

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Patches & Fixes for CVE-2026-77970 (1)

Vendor Advisories for CVE-2026-77970 (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-2026-78038 5.9 MEDIUM Job argument injection via :args overrides primary_key and tenant in AshOban
CVE-2026-78228 5.9 MEDIUM Unbounded handle_error recursion enables denial of service in AshOban triggers
CVE-2026-77454 5.9 MEDIUM exists/2 predicate silently dropped on limited relationships with a parent() filter in Ash
CVE-2026-75847 5.9 MEDIUM Sensitive attribute values stored in a non-sensitive public changes map in AshPaperTrail
CVE-2026-81319 5.9 MEDIUM Unsafe deserialization of decrypted terms enables node DoS in AshCloak
CVE-2026-81643 2.3 LOW Broken access control in AshGraphql subscription batcher applies authorization suppression
CVE-2026-82367 2.3 LOW Re-entrant synchronous publish in AshGraphql subscription batcher delivers one subscriber'
CVE-2026-81316 2.1 LOW Same-named aggregates with differing filters are conflated in AshSql
CVE-2026-81322 2.1 LOW Cloaked plaintext leaks through a non-sensitive action argument in AshCloak
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-2026-81318 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_paper_trail
Same vendor: ash-project
Same weakness: CWE-312

V. Comments for CVE-2026-77970

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