CVE-2025-48042 - CVE House

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Status published High CVE-2025-48042

Before action hooks may execute in certain scenarios despite a request being forbidden

7.1 CVSS

Vulnerability Description

Incorrect Authorization vulnerability in ash-project ash allows Exploiting Incorrectly Configured Access Control Security Levels. This vulnerability is associated with program files lib/ash/actions/create/bulk.ex, lib/ash/actions/destroy/bulk.ex, lib/ash/actions/update/bulk.ex and program routines 'Elixir.Ash.Actions.Create.Bulk':run/5, 'Elixir.Ash.Actions.Destroy.Bulk':run/6, 'Elixir.Ash.Actions.Update.Bulk:run'/6. This issue affects ash: from pkg:hex/ash before pkg:hex/ash@3.5.39, before 3.5.39, before 5d1b6a5d00771fd468a509778637527b5218be9a.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Zach Daniel
Jonatan Männchen / EEF

References

More from ash-project

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Missing Session Revocation on Logout in ash_authentication_phoenix

Authorization bypass when bypass policy condition evaluates to true

Bypass and runtime policies that can never pass may be incorrectly applied in filter authorization

AshPostgres empty, atomic, non-bulk actions, policy bypass for side-effects vulnerability.

Affected Vendor

ash-project

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Affected Software

ash

Vulnerable Versions:

0

Timeline

Official Publish: September 7th, 2025

Last Modified: May 27th, 2026

Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application

T1078 Valid Accounts

T1548 Abuse Elevation Control Mechanism

Privilege Escalation

T1021 Remote Services

Lateral Movement

T1098 Account Manipulation

Defense Evasion