Is CVE-2026-35022 actively exploited?

No active exploitation of CVE-2026-35022 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-35022 be exploited remotely?

Yes. CVE-2026-35022 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-35022?

CVE-2026-35022 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2026-35022

CRITICAL

CVE-2026-35022

CWE-78Published: April 6, 2026· Updated: Apr 7, 2026

9.8

CVSS v3.1

EPSS:0.25%probability of exploitation in 30 daysPercentile:48.0th

Official Description

Anthropic Claude Code CLI and Claude Agent SDK contain an OS command injection vulnerability in authentication helper execution where helper configuration values are executed using shell=true without input validation. Attackers who can influence authentication settings can inject shell metacharacters through parameters like apiKeyHelper, awsAuthRefresh, awsCredentialExport, and gcpAuthRefresh to execute arbitrary commands with the privileges of the user or automation environment, enabling credential theft and environment variable exfiltration.

NVD Source

Technical Analysis

CVE-2026-35022 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.