TanStack Unspecified Vulnerability

TanStack TanStack

TanStack contains an unspecified vulnerability that allowed malicious versions of the product to be published to the npm registry to publish credential-stealing malware under a trusted identity. Added to CISA KEV on 2026-05-27 (federal deadline 2026-06-10).

First seen: 27 May 2026
Last update: 27 May 2026, 12:00 UTC
Identifiers: CVE-2026-45321
Source: CISA KEV
On the menu as: npm packages

Check this repository for exposure to one security incident from pwned.coffee. Report first, change nothing until I say so.

## TanStack Unspecified Vulnerability
Severity: critical, exploited in the wild. Patch status: patched.
Affected: TanStack TanStack
Ids: CVE-2026-45321

TanStack contains an unspecified vulnerability that allowed malicious versions of the product to be published to the npm registry to publish credential-stealing malware under a trusted identity. Added to CISA KEV on 2026-05-27 (federal deadline 2026-06-10).

## Steps
1. Search the repo, its CI and infra config for TanStack TanStack. If present, report the version in use and whether it's affected.

## Report
A table: file, product or package, version in use, affected yes/no, exact fix. Then anything a human has to check outside the repo.

If you have the pwned.coffee MCP server (https://pwned.coffee/mcp), call lookup_cve("CVE-2026-45321") for the latest, and check_repo with this repo's lockfiles, Dockerfiles and workflows for a full receipt.
Sources: https://nvd.nist.gov/vuln/detail/CVE-2026-45321
https://pwned.coffee/i/tanstack-unspecified-vulnerability-cve-2026-45321

Sources

NVD: CVE-2026-45321

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