CRITICALCVSS 9Vulnerability

CVE-2026-75130

Context7 through 2.1.2 contains a prompt injection vulnerability that allows attackers to execute malicious instructions in connected AI coding agents by injecting unsanitized content through the Custom AI Instructions feature served via the MCP server. Attackers can poison the custom instructions to exfiltrate credentials from environment files to an attacker-controlled service and perform destructive file deletion on the victim's machine when the agent makes a routine library documentation request.

Properties

severity
CRITICAL
cvss_score
9
cvss_severity
CRITICAL
retrieved_at
2026-09-25T15:10:02+00:00
score
9
last_source
NVD
cve_id
CVE-2026-75130
cvss_vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
signal_observed_at
2026-09-25T15:10:02+00:00
vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
published_at
2026-08-18T18:19:34.197
last_modified
2026-09-24T20:06:30.133

Related Entities (1)

DESCRIBED_BY (1)

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CVE-2026-75130 (CVSS 9) — Ninja Signal Threat Intelligence | Ninja Signal