Home/CVE/Rejected reason: This CVE ID has been rejected by its CVE Numbering Authority (CNA). It was determined that the affected
CVE

CVE-2026-35021

Rejected reason: This CVE ID has been rejected by its CVE Numbering Authority (CNA). It was determined that the affected

Rejected reason: This CVE ID has been rejected by its CVE Numbering Authority (CNA). It was determined that the affected code path cannot be triggered through normal usage of Claude Code.

EPSS 0.00041
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
▤

Affected Products & Versions

2
anthropic claude agent sdk<= 0.1.55
anthropic claude code<= 2.1.91
⚠

Public Exploits & PoCs

1
pocphoenix.security · critical-ci-cd-nightmare-3-command-injection-flaws-in-cla...phoenix.security
▣

Scoring & Timeline

Published to NVD06 Apr 2026 · 08:16 PM
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.vulncheck.com/advisories/anthropic-claude-code-agent-sdk-os-command-injection-via-prompteditor-tsThird Party Advisory
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