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Advisory record · GHSA-g7cv-rxg3-hmpx

Malware in @tanstack/* packages exfiltrates cloud credentials, GitHub tokens, and SSH keys

CVSS 9.6 CriticalCriticalIn CISA KEV · ransomwareEPSS 0.033 · 88th percentile

Critical, because:

  • In CISA’s KEV catalogue since 27 May 2026: it is known to be exploited.
  • CVSS score 9.6: 9.0 or more.

How we decide what’s critical

Published by the GitHub Advisory Database at 12 May 2026, 00:12 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
@tanstack/arktype-adapternpm>=1.166.12, <1.166.16 || >=1.166.15, <1.166.161.166.16
@tanstack/eslint-plugin-routernpm>=1.161.9, <1.161.13 || >=1.161.12, <1.161.131.161.13
@tanstack/eslint-plugin-startnpm>=0.0.4, <0.0.8 || >=0.0.7, <0.0.80.0.8
@tanstack/historynpm>=1.161.9, <1.161.13 || >=1.161.12, <1.161.131.161.13
@tanstack/nitro-v2-vite-pluginnpm>=1.154.12, <1.154.16 || >=1.154.15, <1.154.161.154.16
@tanstack/react-routernpm>=1.169.5, <1.169.9 || >=1.169.8, <1.169.91.169.9
@tanstack/react-router-devtoolsnpm>=1.166.16, <1.166.20 || >=1.166.19, <1.166.201.166.20
@tanstack/react-router-ssr-querynpm>=1.166.15, <1.166.19 || >=1.166.18, <1.166.191.166.19
@tanstack/react-startnpm>=1.167.68, <1.167.72 || >=1.167.71, <1.167.721.167.72
@tanstack/react-start-clientnpm>=1.166.51, <1.166.55 || >=1.166.54, <1.166.551.166.55
@tanstack/react-start-rscnpm>=0.0.47, <0.0.51 || >=0.0.50, <0.0.510.0.51
@tanstack/react-start-servernpm>=1.166.55, <1.166.59 || >=1.166.58, <1.166.591.166.59
@tanstack/router-clinpm>=1.166.46, <1.166.50 || >=1.166.49, <1.166.501.166.50
@tanstack/router-corenpm>=1.169.5, <1.169.9 || >=1.169.8, <1.169.91.169.9
@tanstack/router-devtoolsnpm>=1.166.16, <1.166.20 || >=1.166.19, <1.166.201.166.20
@tanstack/router-devtools-corenpm>=1.167.6, <1.167.10 || >=1.167.9, <1.167.101.167.10
@tanstack/router-generatornpm>=1.166.45, <1.166.49 || >=1.166.48, <1.166.491.166.49
@tanstack/router-pluginnpm>=1.167.38, <1.167.42 || >=1.167.41, <1.167.421.167.42
@tanstack/router-ssr-query-corenpm>=1.168.3, <1.168.7 || >=1.168.6, <1.168.71.168.7
@tanstack/router-utilsnpm>=1.161.11, <1.161.15 || >=1.161.14, <1.161.151.161.15
@tanstack/router-vite-pluginnpm>=1.166.53, <1.166.57 || >=1.166.56, <1.166.571.166.57
@tanstack/solid-routernpm>=1.169.5, <1.169.9 || >=1.169.8, <1.169.91.169.9
@tanstack/solid-router-devtoolsnpm>=1.166.16, <1.166.20 || >=1.166.19, <1.166.201.166.20
@tanstack/solid-router-ssr-querynpm>=1.166.15, <1.166.19 || >=1.166.18, <1.166.191.166.19
@tanstack/solid-startnpm>=1.167.65, <1.167.69 || >=1.167.68, <1.167.691.167.69
@tanstack/solid-start-clientnpm>=1.166.50, <1.166.54 || >=1.166.53, <1.166.541.166.54
@tanstack/solid-start-servernpm>=1.166.54, <1.166.58 || >=1.166.57, <1.166.581.166.58
@tanstack/start-client-corenpm>=1.168.5, <1.168.9 || >=1.168.8, <1.168.91.168.9
@tanstack/start-fn-stubsnpm>=1.161.9, <1.161.13 || >=1.161.12, <1.161.131.161.13
@tanstack/start-plugin-corenpm>=1.169.23, <1.169.27 || >=1.169.26, <1.169.271.169.27
@tanstack/start-server-corenpm>=1.167.33, <1.167.37 || >=1.167.36, <1.167.371.167.37
@tanstack/start-static-server-functionsnpm>=1.166.44, <1.166.48 || >=1.166.47, <1.166.481.166.48
@tanstack/start-storage-contextnpm>=1.166.38, <1.166.42 || >=1.166.41, <1.166.421.166.42
@tanstack/valibot-adapternpm>=1.166.12, <1.166.16 || >=1.166.15, <1.166.161.166.16
@tanstack/virtual-file-routesnpm>=1.161.10, <1.161.14 || >=1.161.13, <1.161.141.161.14
@tanstack/vue-routernpm>=1.169.5, <1.169.9 || >=1.169.8, <1.169.91.169.9
@tanstack/vue-router-devtoolsnpm>=1.166.16, <1.166.20 || >=1.166.19, <1.166.201.166.20
@tanstack/vue-router-ssr-querynpm>=1.166.15, <1.166.19 || >=1.166.18, <1.166.191.166.19
@tanstack/vue-startnpm>=1.167.61, <1.167.65 || >=1.167.64, <1.167.651.167.65
@tanstack/vue-start-clientnpm>=1.166.46, <1.166.50 || >=1.166.49, <1.166.501.166.50
@tanstack/vue-start-servernpm>=1.166.50, <1.166.54 || >=1.166.53, <1.166.541.166.54
@tanstack/zod-adapternpm>=1.166.12, <1.166.16 || >=1.166.15, <1.166.161.166.16
Identifiers
GHSA-g7cv-rxg3-hmpx · CVE-2026-45321
Weakness (CWE)
CWE-506
Tags
Published
12 May 2026
Updated
10 Sept 2026

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
9.6 Critical 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H CNA (GitHub_M)
  • CISA KEV Listed since 27 May 2026: known to be exploited. CISA reports use in ransomware campaigns.
  • EPSS 0.033, the 88th percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the GitHub Advisory Database, published 12 May 2026. New records show when each source confirmed them.

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.