Weak Password Hash in Diem Project Affecting Versions Up to 5.1.3
CVE-2026-112029

2LOW

Key Information:

Vendor

Diem-project

Status
Diem
Vendor
CVE Published:
18 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-112029?

A vulnerability exists in the Diem Project affecting the SHA1 Handler located in the file lib/model/doctrine/PluginDmUser.class.php. This flaw allows for manipulation of the salt or password arguments, leading to a password hash that lacks sufficient computational effort. Local exploitation is required, and while the exploit is publicly disclosed, it demands a high level of complexity, making it challenging to execute. The maintainers have been notified of this issue but have yet to provide a response.

Affected Version(s)

diem 5.1.0

diem 5.1.1

diem 5.1.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-112029 - Proof of Concept

References

https://vuldb.com/vuln/421677
vdb-entrytechnical-description
https://vuldb.com/vuln/421677/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-112029
third-party-advisory

CVSS V4

Score:
2
Severity:
LOW
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

gscsd (VulDB User)
VulDB CNA Team
.