CVE-2026-41686

medium

Published 2026-05-04 · Modified 2026-05-21

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

4.4

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

CVSS v4 NEW

4.8

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

VIR risk

4.4

Description

Claude SDK for TypeScript has Insecure Default File Permissions in Local Filesystem Memory Tool

Predictions

Exploit likelihood

44%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Package impact

Ecosystem	Package	Vulnerable	Fixed
npm	@anthropic-ai/sdk	`>=0.79.0,<0.91.1`	`0.91.1`
NPM	@anthropic-ai/sdk	`>= 0.79.0, < 0.91.1`	`0.91.1`

Application impact

Vendor	Product	Versions	Fixed
anthropic	claude_sdk_for_typescript	`{"startIncluding":"0.79.0","endExcluding":"0.91.1"}`	`0.91.1`

References

CWEs

CWE-732

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.