Claude Code is an agentic coding tool. Prior to version 2.1.7, Claude Code failed to strictly enforce deny rules configured in settings.json when accessing files through symbolic links. If a user explicitly denied Claude Code access to a file (such as /etc/passwd) and Claude Code had access to a symbolic link pointing to that file, it was possible for Claude Code to read the restricted file through the symlink without triggering deny rule enforcement. This issue has been patched in version 2.1.7.
CVE-2026-25724
This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 0.4%, top 70% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.5
- EG Score
- 7.5(medium)
- EG Risk
- 34(Track)EG Risk 34/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity75% × 45%Exploitation0% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS
- 30.2%
- KEV
- Not listed
Published
February 6, 2026
Last Modified
March 27, 2026
References (2)
- security-advisories@githubhttps://github.com/anthropics/claude-code/security/advisories/GHSA-4q92-rfm6-2cqx
- af854a3a-2127-422b-91ae-364da2661108https://www.terra.security/blog/when-ai-becomes-the-attack-surface-lessons-from-discovering-cve-2026-25724
Affected Packages
(1 across 1 ecosystem)
npm(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| @anthropic-ai/claude-code | — | 2.1.7 | — |
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 15× in last 7d / 52× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-23 03:07 UTCEG score recompute
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- 2026-05-29 14:27 UTCEG score recompute
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Related CVEs(same CWE)
Same CWE
10 shownCWE-285
Frequently asked(5)
What is CVE-2026-25724?
When was CVE-2026-25724 disclosed?
Is CVE-2026-25724 actively exploited?
What is the CVSS score of CVE-2026-25724?
How do I remediate CVE-2026-25724?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-25724
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