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Advisory record · GHSA-4vp2-6q8c-pvq2

@anthropic-ai/claude-code has an Insecure Temporary File in /copy Command that Enables Response Disclosure and Symlink-Based File Write

CVSS 4.4 MediumEPSS 0.0015 · 4th percentile

Published by the GitHub Advisory Database at 25 Jun 2026, 16:53 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
@anthropic-ai/claude-codenpm>=2.1.59, <2.1.1282.1.128
Identifiers
GHSA-4vp2-6q8c-pvq2 · CVE-2026-46406
Weakness (CWE)
CWE-59 · CWE-200 · CWE-377
Tags
Published
25 Jun 2026
Updated
9 Jul 2026

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
4.4 Medium 4.0 CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0015, the 4th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the GitHub Advisory Database, published 25 Jun 2026. New records show when each source confirmed them.

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.