CriticalVulnerabilityLLM-specific

CVE-2026-22708: Cursor shell built-ins bypass allowlist approval in Auto-Run Mode

Source: NVD(opens in a new tab)
Identifier: CVE-2026-22708
Published: January 14, 2026
Record updated: October 9, 2026

Known exploitation: Not listed in the CISA Known Exploited Vulnerabilities catalog at the last check.
EPSS: 0.8%

Summary

CVE-2026-22708 affects Cursor, a code editor built for programming with AI, prior to 2.3. When the Cursor Agent runs in Auto-Run Mode with Allowlist mode enabled, certain shell built-ins can execute without appearing in the allowlist and without user approval. An attacker using direct or indirect prompt injection can set, modify, or remove environment variables that influence trusted commands, poisoning the shell environment.

Mitigation

Fixed in 2.3.

Details

Scores and exploitation

CVSS score: 9.8(critical)
EPSS: 0.8%Estimated probability that this CVE is exploited in the next 30 days, from the FIRST Exploit Prediction Scoring System. Read on November 4, 2026.

Weaknesses and techniques

Weakness (CWE): CWE-15
CWE-74
CWE-77
CWE-78
CWE-94
CWE-269
CWE-77
Attack pattern (CAPEC): CAPEC-122
CAPEC-242
CAPEC-88
AI threat technique (MITRE ATLAS): AML.T0051

Classification

Attack type: Prompt injection,
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-2026-22708

First tracked: February 15, 2026 at 08:52 PM ET, from NVD/CVE Database

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

Classifier confidence: 93% (self-assessed)

Topics

Prompt injection and jailbreaks

Summary

Mitigation

Topics

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