Medium · CVSS 5.3CVE-2026-112040

diem-project diem Sign-In BasedmUserActions.class.php redirectCVE-2026-112040

Answer in brief

CVE-2026-112040 records a Medium severity (CVSS 5.3) vulnerability in diem-project diem Sign-In BasedmUserActions.class.php redirect. The current sources do not mark it as known exploited. The current feed maps diem-project/diem (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 19, 2026Updated Oct 19, 2026Source checked Oct 19, 2026First seen by HOL Oct 19, 2026Material review Oct 19, 2026

Upstream Advisory

Key facts

Risk: Medium · CVSS 5.3
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

CVSS is 5.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps diem-project/diem (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
diem-project/diemgeneric	116974edfb9a5b8bd69cb13586dc62bcdbb485ad	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for diem-project/diem.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Oct 19, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Oct 19, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Oct 19, 2026

Sources and claim methodology

Upstream source description

A vulnerability was determined in diem-project diem up to 116974edfb9a5b8bd69cb13586dc62bcdbb485ad. This affects an unknown part of the file dmCorePlugin/plugins/dmUserPlugin/modules/dmUser/lib/BasedmUserActions.class.php of the component Sign-In. This manipulation of the argument Referer causes open redirect. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized. This product adopts a rolling release strategy to maintain continuous delivery. Therefore, version details for affected or updated releases cannot be specified. The project was informed of the problem early through an issue report but has not responded yet.

Quoted source text, attributed separately from HOL analysis.