TI-2026-76226 Aliases CVE-2026-112041 GHSA-4wx9-wcq2-pggj

Weak random number generator in diem-project diem dmString.php

MEDIUM 61CWE-331Published 2026-10-19 · Updated 2026-10-19

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: High
Attack requirements: None
Impact type: —
Confidentiality · integrity · availability: Low · None · None
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

diem-project diem up to 116974edfb9a5b8bd69cb13586dc62bcdbb485ad is affected. The dmString::random function in dmCorePlugin/lib/basic/dmString.php uses a cryptographically weak pseudo-random number generator (CWE-338). A remote attacker without privileges or user interaction can exploit this, although the attack complexity is high. A public exploit is available.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

A vulnerability was identified in diem-project diem up to 116974edfb9a5b8bd69cb13586dc62bcdbb485ad. This vulnerability affects the function dmString::random of the file dmCorePlugin/lib/basic/dmString.php. Such manipulation leads to cryptographically weak prng. The attack may be performed from remote. A high complexity level is associated with this attack. It is stated that the exploitability is difficult. The exploit is publicly available and might be used. This product utilizes a rolling release system for continuous delivery, and as such, version information for affected or updated releases is not disclosed. The project was informed of the problem early through an issue report but has not responded yet.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00308 23rd percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
diem-project	diem	116974edfb9a5b8bd69cb13586dc62bcdbb485ad	—	No fix listed	CNA

diem Vendordiem-project Affected 116974edfb9a5b8bd69cb13586dc62bcdbb485ad Fixed in — No fix listed CNA

CPE names CNA · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:diem-project:diem::::::::	—	—	—

cpe:2.3:a:diem-project:diem:*:*:*:*:*:*:*:* Versions — — ·—

Remediation

The sources list no fixed version for diem.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Timeline

2026-10-19 Threatist record created from CVE-2026-112041
2026-10-19 Alias added: GHSA-4wx9-wcq2-pggj
2026-10-19 Priority changed: MEDIUM → LOW
2026-10-20 CISA SSVC decision points changed
2026-10-20 Priority changed: LOW → MEDIUM

References

Exploit 1

https://github.com/diem-project/diem/issues/458

Other 1

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

TI-2026-58972 diem-project diem dmWidget BasedmWidgetActions.class.php authorization CVSS 4.0MEDIUM 6.9
TI-2026-76225 Open redirect in diem-project diem Sign-In via Referer argument CVSS 4.0MEDIUM 5.3
TI-2026-76222 Improper certificate validation in diem Google Analytics Client CVSS 4.0MEDIUM 6.3
TI-2026-76213 Use of default password in diem-project diem CVSS 4.0MEDIUM 5.3
TI-2026-58971 diem-project diem dmConsole actions.class.php executeCommand cross-site request forgery CVSS 4.0MEDIUM 5.3
TI-2026-57013 diem-project diem Widget Editor dmWidgetContentBaseMediaForm.php unrestricted upload CVSS 4.0MEDIUM 5.3

See all 12 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences