How severe is CVE-2025-59041?

CVE-2025-59041 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-59041 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-59041?

CVE-2025-59041 affects Anthropic Claude Code. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-59041?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-59041 have an EU (EUVD) identifier?

Yes. CVE-2025-59041 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-27563.

When was CVE-2025-59041 published?

CVE-2025-59041 was published on 2025-09-10 and last updated on 2026-06-17.

CVE-2025-59041

CVE-2025-59041 is a critical-severity vulnerability in Anthropic Claude Code with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 8.7
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-27563
Weakness: CWE-94
Affected product: Anthropic Claude Code
Published: 2025-09-10
Last modified: 2026-06-17

Description

Claude Code is an agentic coding tool. At startup, Claude Code executed a command templated in with `git config user.email`. Prior to version 1.0.105, a maliciously configured user email in git could be used to trigger arbitrary code execution before a user accepted the workspace trust dialog. Users on standard Claude Code auto-update will have received this fix automatically. Users performing manual updates are advised to update to version 1.0.105 or the latest version.

Frequently asked questions

What is CVE-2025-59041?: Claude Code is an agentic coding tool. At startup, Claude Code executed a command templated in with `git config user.email`. Prior to version 1.0.105, a maliciously configured user email in git could be used to trigger arbitrary code execution before a user accepted the workspace trust dialog. Users on standard Claude Code auto-update will have received this fix automatically. Users performing manual updates are advised to update to version 1.0.105 or the latest version.
How severe is CVE-2025-59041?: CVE-2025-59041 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-59041 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-59041?: CVE-2025-59041 affects Anthropic Claude Code. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-59041?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-59041 have an EU (EUVD) identifier?: Yes. CVE-2025-59041 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-27563.
When was CVE-2025-59041 published?: CVE-2025-59041 was published on 2025-09-10 and last updated on 2026-06-17.

References

https://github.com/anthropics/claude-code/security/advisories/GHSA-j4h9-wv2m-wrf7

Affected products (1)

cpe:2.3:a:anthropic:claude_code:*:*:*:*:*:node.js:*:*

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