ash-project ash_paper_trail up to 0.6.x Embedded Resources AshPaperTrail.Resource.Changes.CreateNewVersion maybe_redact_changes cleartext storage

Summaryinfo

A vulnerability identified as problematic has been detected in ash-project ash_paper_trail up to 0.6.x. Affected is the function maybe_redact_changes of the file AshPaperTrail.Resource.Changes.CreateNewVersion of the component Embedded Resources. Performing a manipulation results in cleartext storage. This vulnerability is reported as CVE-2026-77970. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in ash-project ash_paper_trail up to 0.6.x. It has been classified as problematic. This affects the function maybe_redact_changes of the file AshPaperTrail.Resource.Changes.CreateNewVersion of the component Embedded Resources. The manipulation with an unknown input leads to a cleartext storage vulnerability. CWE is classifying the issue as CWE-312. The product stores sensitive information in cleartext within a resource that might be accessible to another control sphere. This is going to have an impact on confidentiality. The summary by CVE is:

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.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-77970 since 08/24/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1555 for this issue.

Upgrading to version 0.7.0 eliminates this vulnerability.

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Productinfo

Type

• Project Management Software

Vendor

• ash-project

Name

• ash_paper_trail

Version

• 0.1
• 0.2
• 0.3
• 0.4
• 0.5
• 0.6

Website

• Product: https://github.com/ash-project/ash_paper_trail/

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