HighVulnerability

CVE-2026-48124: Cursor Desktop executes workspace-defined Claude hook commands without approval

Source: NVD(opens in a new tab)
Identifier: CVE-2026-48124
Published: June 15, 2026
Record updated: November 3, 2026

Known exploitation: Not listed in the CISA Known Exploited Vulnerabilities catalog at the last check.
EPSS: 0.1%

Summary

CVE-2026-48124 affects Cursor Desktop versions prior to 3.0.0. The application could execute workspace-defined Claude hook commands from .claude/settings.local.json without dedicated user approval. A malicious workspace or agent-created file could configure hooks to run local commands in the user's context when an agent turn ends, enabling sandbox escape, persistence across turns, local data access, or follow-on compromise.

Mitigation

Fixed in version 3.0.0.

Details

Scores and exploitation

EPSS: 0.1%Estimated probability that this CVE is exploited in the next 30 days, from the FIRST Exploit Prediction Scoring System. Read on November 4, 2026.
Disclosure date: June 15, 2026

Weaknesses and techniques

Weakness (CWE): CWE-94
CWE-829
Attack pattern (CAPEC): CAPEC-242
CAPEC-437

Classification

Attack type: Other
Attack sophistication: Moderate
AI component targeted: Agent
Impact: Confidentiality,
Integrity,
Availability
Labels: security

How this record was produced

Summaries, mitigations and labels on this page are generated automatically from the source. The linked source is authoritative. The source gives this advisory a description and no title, so the title above is a headline generated from the source text.

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-48124

First tracked: June 15, 2026 at 08:09 PM ET, from NVD/CVE Database

Classifier: claude-haiku-5-5, prompt v4

Classifier confidence: 90% (self-assessed)

Coverage

News, research and other items that mention CVE-2026-48124.

Cursor security: top 10 attacks and what each one actually brokeAdversa AI Blog · 2026-11-03

Summary

Mitigation

Coverage

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