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Package Instance

Lookup for vulnerable packages by Package URL.

Purlpkg:npm/%40anthropic-ai/sdk@0.90.0
Typenpm
Namespace@anthropic-ai
Namesdk
Version0.90.0
Qualifiers
Subpath
Is_vulnerabletrue
Next_non_vulnerable_version0.91.1
Latest_non_vulnerable_version0.91.1
Affected_by_vulnerabilities
0
url VCID-e6ce-8xx8-yqhd
vulnerability_id VCID-e6ce-8xx8-yqhd
summary 
Claude SDK for TypeScript has Insecure Default File Permissions in Local Filesystem Memory Tool
The `BetaLocalFilesystemMemoryTool` in the Anthropic TypeScript SDK created memory files and directories using the Node.js default modes (`0o666` for files, `0o777` for directories), leaving them world-readable on systems with a standard umask and world-writable in environments with a permissive umask such as many Docker base images. A local attacker on a shared host could read persisted agent state, and in containerized deployments could modify memory files to influence subsequent model behavior.

Users on the affected versions are advised to update to the latest version.

Claude SDK  thanks `lucasfutures` for the report.
references
0
reference_url https://api.first.org/data/v1/epss?cve=CVE-2026-41686
reference_id
reference_type
scores
0
value 0.0001
scoring_system epss
scoring_elements 0.01273
published_at 2026-06-06T12:55:00Z
1
value 0.0001
scoring_system epss
scoring_elements 0.01269
published_at 2026-06-09T12:55:00Z
2
value 0.0001
scoring_system epss
scoring_elements 0.01268
published_at 2026-06-08T12:55:00Z
3
value 0.0001
scoring_system epss
scoring_elements 0.01275
published_at 2026-06-07T12:55:00Z
4
value 0.00014
scoring_system epss
scoring_elements 0.02705
published_at 2026-06-05T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2026-41686
1
reference_url https://github.com/anthropics/anthropic-sdk-typescript
reference_id
reference_type
scores
0
value 4.8
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
1
value MODERATE
scoring_system generic_textual
scoring_elements
url https://github.com/anthropics/anthropic-sdk-typescript
2
reference_url https://github.com/anthropics/anthropic-sdk-typescript/security/advisories/GHSA-p7fg-763f-g4gf
reference_id
reference_type
scores
0
value MODERATE
scoring_system cvssv3.1_qr
scoring_elements
1
value 4.8
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
2
value MODERATE
scoring_system generic_textual
scoring_elements
3
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-05-05T14:35:10Z/
url https://github.com/anthropics/anthropic-sdk-typescript/security/advisories/GHSA-p7fg-763f-g4gf
3
reference_url https://nvd.nist.gov/vuln/detail/CVE-2026-41686
reference_id
reference_type
scores
0
value 4.8
scoring_system cvssv4
scoring_elements CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
1
value MODERATE
scoring_system generic_textual
scoring_elements
url https://nvd.nist.gov/vuln/detail/CVE-2026-41686
4
reference_url https://github.com/advisories/GHSA-p7fg-763f-g4gf
reference_id GHSA-p7fg-763f-g4gf
reference_type
scores
0
value MODERATE
scoring_system cvssv3.1_qr
scoring_elements
url https://github.com/advisories/GHSA-p7fg-763f-g4gf
fixed_packages
0
url pkg:npm/%40anthropic-ai/sdk@0.91.1
purl pkg:npm/%40anthropic-ai/sdk@0.91.1
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:npm/%2540anthropic-ai/sdk@0.91.1
aliases CVE-2026-41686, GHSA-p7fg-763f-g4gf
risk_score 3.1
exploitability 0.5
weighted_severity 6.2
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-e6ce-8xx8-yqhd
Fixing_vulnerabilities
Risk_score3.1
Resource_urlhttp://public2.vulnerablecode.io/packages/pkg:npm/%2540anthropic-ai/sdk@0.90.0