---
id: CVE-2026-112029
title: diem-project diem SHA1 PluginDmUser.class.php weak password hash
summary: >-
  A vulnerability has been found in diem-project diem up to 5.1.3. This affects
  an unknown part of the file lib/model/doctrine/PluginDmUser.class.php of the
  component SHA1 Handler. Such manipulation of the argument salt/password leads
  to p…
severity: low
cvss: 2.5
cvssVector: 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:C'
cvssSource: cna
cwe:
  - CWE-916
  - CWE-326
vendor: diem-project
product: diem
affected:
  - diem 5.1.0
  - diem 5.1.1
  - diem 5.1.2
  - diem 5.1.3
published: '2026-10-18'
updated: '2026-10-18'
sourceUpdated: '2026-10-18T23:00:14.234Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-112029'
references:
  - url: 'https://vuldb.com/vuln/421677'
    label: >-
      VDB-421677 | diem-project diem SHA1 PluginDmUser.class.php weak password
      hash
  - url: 'https://vuldb.com/vuln/421677/cti'
    label: 'VDB-421677 | CTI Indicators (IOB, IOC, TTP, IOA)'
  - url: 'https://vuldb.com/cve/CVE-2026-112029'
    label: CVE-2026-112029 | CVE Analysis and Report
  - url: 'https://vuldb.com/submit/1008077'
    label: >-
      Submit #1008077 | diem-project diem
      116974edfb9a5b8bd69cb13586dc62bcdbb485ad Password Hash With Insufficient
      Computational Effort
  - url: 'https://github.com/diem-project/diem/issues/452'
  - url: 'https://github.com/diem-project/diem/'
tags:
  - cve.org
ingestedAt: '2026-10-18T23:53:02.550Z'
---

## Overview

A vulnerability has been found in diem-project diem up to 5.1.3. This affects an unknown part of the file lib/model/doctrine/PluginDmUser.class.php of the component SHA1 Handler. Such manipulation of the argument salt/password leads to password hash with insufficient computational effort. The attack needs to be performed locally. The attack requires a high level of complexity. It is indicated that the exploitability is difficult. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

## Affected

- `diem 5.1.0`
- `diem 5.1.1`
- `diem 5.1.2`
- `diem 5.1.3`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.