Privilege escalation via legacy access group creation endpoint (CVE-2026-88817) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-88817

Privilege escalation via legacy access group creation endpoint

Answer in brief

CVE-2026-88817 records a Unknown severity vulnerability in Privilege escalation via legacy access group creation endpoint. The current sources do not mark it as known exploited. The current feed maps Curiosity GmbH/Curiosity Workspace (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 Sep 16, 2026Updated Sep 16, 2026Source checked Sep 16, 2026First seen by HOL Sep 16, 2026Material review Sep 16, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

A CVSS score is not reported in the current record. 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 Curiosity GmbH/Curiosity Workspace (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Curiosity GmbH/Curiosity Workspacegeneric	26.8.70362	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for Curiosity GmbH/Curiosity Workspace.
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
Sep 16, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 16, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 16, 2026

Sources and claim methodology

Source referencedocs.curiosity.ai

Upstream source description

An authenticated, non-guest user of Curiosity Workspace could enroll themselves as an administrator and member of an existing access group without an invitation or approval. It did not grant application-wide administrator privileges, and the vulnerability could not be used to obtain root access to the application or its underlying host.

Quoted source text, attributed separately from HOL analysis.