CVE Explorer

CVE-2026-41686

Claude SDK for TypeScript provides access to the Claude API from server-side TypeScript or JavaScript applications. From version 0.79.0 to before version 0.91.1, 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

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:686c335c4afed7f1ae034acb026a484c4532b446939984caa27508c1d1280f44

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"anthropic-sdk-typescript","vendor":"anthropics","versions":[{"status":"affected","version":">= 0.79.0, < 0.91.1"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:460b2757f5d99aebfc638505acf047fd2f2cf97db3d2872eb16ef4f85083cfdc · sha256:7fd3489f0f1afd0f… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":4.8,"baseSeverity":"MEDIUM","privilegesRequired":"LOW","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"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","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW"},"metric_type":"cvssV4_0"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:460b2757f5d99aebfc638505acf047fd2f2cf97db3d2872eb16ef4f85083cfdc · sha256:7fd3489f0f1afd0f… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion

{"cweId":"CWE-732","description":"CWE-732: Incorrect Permission Assignment for Critical Resource","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:460b2757f5d99aebfc638505acf047fd2f2cf97db3d2872eb16ef4f85083cfdc · sha256:7fd3489f0f1afd0f… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion

{"name":"https://github.com/anthropics/anthropic-sdk-typescript/security/advisories/GHSA-p7fg-763f-g4gf","tags":["x_refsource_CONFIRM"],"url":"https://github.com/anthropics/anthropic-sdk-typescript/security/advisories/GHSA-p7fg-763f-g4gf"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:460b2757f5d99aebfc638505acf047fd2f2cf97db3d2872eb16ef4f85083cfdc · sha256:7fd3489f0f1afd0f… · /containers/cna/references/0

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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