Vulnerability in Abhishake1 Supersurkhet\/cli
CVE-2026-45321
On 2026-05-11, between approximately 19:20 and 19:26 UTC, 84 malicious versions across 42 @tanstack/* packages were published to the npm registry. The publishes were authenticated via the legitimate GitHub Actions OIDC trusted-publisher bi…
EPSS: 0.171 (95.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.
Affected products
- Abhishake1 Supersurkhet\/cli — versions 0.0.2, 0.0.3, 0.0.4
- Abhishake1 Supersurkhet\/sdk — versions 0.0.2, 0.0.3, 0.0.4
- Abhishake1 Taskflow-corp\/cli — versions 0.1.24, 0.1.25, 0.1.26
- Agentworkhq Agentwork-cli — versions 0.1.4, 0.1.5
- Antoinebcx Ml-toolkit-ts — versions 1.0.4, 1.0.5
- Antoinebcx Ml-toolkit-ts\/preprocessing — versions 1.0.2, 1.0.3
- Antoinebcx Ml-toolkit-ts\/xgboost — versions 1.0.3, 1.0.4
- Beproduct Beproduct\/nestjs-auth — versions 0.1.2, 0.1.3, 0.1.4
- Christianalares Git_branch_selector — versions 1.3.3, 1.3.4, 1.3.5
- Christianalares Git-git-git — versions 1.0.8, 1.0.9, 1.0.10
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Known ransomware campaign use: yes.
Public proof-of-concept exploits
- Intrudify/mini-shai-hulud-scanner
- nkopylov/tanscript-exploit-check
- fabriziosalmi/tanstack-compromise-checker
- shayr1/shai-hulud-scan
- qi-scape/scan-shai-hulud
- renewablehacking/CVE-2026-45321-Tanstack
- ry-allan/tanstack-compromise-checker
- prashanthnataraj/mini-shai-hulud-detector
- digi4care/shai-scan
- Yomisana/are-you-get-tanstack-attack
References
- security-advisories@github.com (x_refsource_MISC, Issue Tracking)
- security-advisories@github.com (x_refsource_CONFIRM, Mitigation, Vendor Advisory)
- security-advisories@github.com (Exploit, x_refsource_MISC, Vendor Advisory)
- security-advisories@github.com (Exploit, Third Party Advisory, x_refsource_MISC)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2026-45321?
- CVE-2026-45321 is a critical-severity vulnerability in Abhishake1 Supersurkhet\/cli, classified under CWE-506. CVSS score: 9.6/10. Published 2026-05-12.
- How severe is CVE-2026-45321?
- Critical severity. CVSS v3 base score is 9.6 out of 10.
- Is CVE-2026-45321 known to be exploited?
- Yes. CVE-2026-45321 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-05-27), indicating it is being actively exploited. 11 public proof-of-concept repositories are indexed.