CVE-2026-5966

HIGHNVD 8.18.1—

8.1

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.

CVSS v3: 8.1
EG Score: 8.1(medium)
EPSS: 60.6%
KEV: Not listed

Published

April 20, 2026

Last Modified

May 12, 2026

Advisory Details (2)

Auto-updated May 12, 2026

No patch confirmed yet. Sources: cert.

cert

TWCERT/CC台灣電腦網路危機處理暨協調中心|企業資安通報協處|資安情資分享|漏洞通報|資安聯盟|資安電子報-鼎新數智｜EasyFlow.NET - 存在2個漏洞

https://www.twcert.org.tw/tw/cp-132-10831-a734d-1.html

cert

TWCERT/CC Taiwan Computer Emergency Response Team/Coordination Center-Digiwin｜EasyFlow.NET - SQL Injection

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

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 12× in last 7d / 17× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:44 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-21 22:43 UTCepss_batch
2026-05-20 22:38 UTCepss_batch
2026-05-20 16:44 UTCEG score recompute
2026-05-20 16:44 UTCGHSA enrichment
2026-05-20 11:22 UTCepss_batch

Frequently asked(5)

What is CVE-2026-5966?

CVE-2026-5966 is a high vulnerability published on April 20, 2026. 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.

When was CVE-2026-5966 disclosed?

CVE-2026-5966 was first published in the National Vulnerability Database on April 20, 2026, with the most recent update on May 12, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-5966 actively exploited?

CVE-2026-5966 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 60.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-5966?

CVE-2026-5966 has a CVSS v3 base score of 8.1 (NVD).

How do I remediate CVE-2026-5966?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-5966, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2026-5966

📅 Published

🔄 Last Modified

📋 Advisory Details (2)