# CVE-2026-112029 — diem-project diem

> As of 2026-10-19, CVE-2026-112029 is a LOW-severity vulnerability in diem-project diem, CVSS v3.1 2.5, EPSS 0.0% (10.5th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-112029 as of 2026-10-19; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-10-19

## What is CVE-2026-112029?

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.

The record classifies CVE-2026-112029 under weakness classes [CWE-916](https://cwe.mitre.org/data/definitions/916.html), [CWE-326](https://intel.threadlinqs.com/cwe/CWE-326). Its CVSS v3 base vector states that the flaw requires local access to the host, needs low-privilege credentials, needs no user interaction. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 4 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 2.5 — LOW (`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`)
- **CVSS v4.0 base score:** 2 (`CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P`)
- **EPSS (FIRST):** 0.0% probability of exploitation in the next 30 days, higher than 10.5% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 1.7/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-10-18, last modified 2026-10-19

## Is CVE-2026-112029 being exploited?

It currently carries a trending score of 32 in the Threadlinqs vulnerability feed.

## Affected products and versions

- **diem-project**: diem

## How to fix CVE-2026-112029

No vendor patch reference has been recorded for CVE-2026-112029 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-112029

No threat campaign in the Threadlinqs corpus currently references CVE-2026-112029, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org, GitHub Security Advisories, FIRST EPSS. Last verified by Threadlinqs on 2026-10-19.

**Exploit and proof of concept**

- [github.com — exploit](https://github.com/diem-project/diem/issues/452)

**Technical analysis**

- [vuldb.com — vdb entry](https://vuldb.com/vuln/421677)

**Third-party advisory**

- [vuldb.com — signature](https://vuldb.com/vuln/421677/cti)
- [vuldb.com — third party advisory](https://vuldb.com/cve/CVE-2026-112029)
- [vuldb.com — third party advisory (1008077)](https://vuldb.com/submit/1008077)

**Issue tracking and product pages**

- [github.com — product](https://github.com/diem-project/diem/)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-112029
Full detection coverage and IOCs for threats exploiting CVE-2026-112029 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp