diem-project diem up to 5.1.3 SHA1 PluginDmUser.class.php salt/password weak password hash

Summaryinfo

A vulnerability marked as problematic has been reported in diem-project diem up to 5.1.3. This vulnerability affects unknown code of the file lib/model/doctrine/PluginDmUser.class.php of the component SHA1 Handler. Performing a manipulation of the argument salt/password results in weak password hash. This vulnerability is reported as CVE-2026-112029. The attack requires a local approach. Moreover, an exploit is present. The project was informed of the problem early through an issue report but has not responded yet.

Detailsinfo

A vulnerability classified as problematic has been found in diem-project diem up to 5.1.3. This affects an unknown code of the file lib/model/doctrine/PluginDmUser.class.php of the component SHA1 Handler. The manipulation of the argument salt/password with an unknown input leads to a weak password hash vulnerability. CWE is classifying the issue as CWE-916. The product generates a hash for a password, but it uses a scheme that does not provide a sufficient level of computational effort that would make password cracking attacks infeasible or expensive. This is going to have an impact on confidentiality.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-112029. The exploitability is told to be difficult. An attack has to be approached locally. Technical details and a public exploit are known. MITRE ATT&CK project uses the attack technique T1552 for this issue.

The exploit is shared for download at github.com. It is declared as proof-of-concept. The project was informed of the problem early through an issue report but has not responded yet. By approaching the search of inurl:lib/model/doctrine/PluginDmUser.class.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-104013). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Project Management Software

Vendor

• diem-project

Name

• diem

Version

• 5.1.0
• 5.1.1
• 5.1.2
• 5.1.3

Website

• Product: https://github.com/diem-project/diem/

CPE 2.3info

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CPE 2.2info

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Submitinfo

Accepted

• Submit #1008077: diem-project diem 116974edfb9a5b8bd69cb13586dc62bcdbb485ad Password Hash With Insufficient Computational Effort (by gscsd)

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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