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August 2026 CVE Landscape

Recorded Futureby Insikt Group® ()7 min read4 · 2 reads
AI summary · glm-5.3-flashSummaries by Vani AI

Insikt Group catalogs 73 high-impact August 2026 CVEs (43 Very Critical), including PaperCut, Zimbra, and Metabase flaws actively exploited or weaponized.

Recorded Future's Insikt Group identified 73 high-impact vulnerabilities in August 2026, 43 rated Very Critical, spanning 45 vendors with Microsoft accounting for roughly 11%. 31 vulnerabilities surfaced via CISA's KEV catalog, with others validated via open sources, vendor telemetry, and honeypot data. New Nuclei detection templates were released for CVE-2025-62593 (Ray), CVE-2026-72898 (Metabase), and CVE-2026-9198 (IBM Langflow). The report also highlights two AI-assisted operations: UAT-10147 exploited Zimbra, AjaxPro, Nacos, and Telerik servers before using DeepAudit and PentestGPT post-compromise, while a separate Chinese-speaking actor weaponized Hermes Agent and DeepSeek in a failed attempt.

Key facts
  • 73 high-impact CVEs identified, 43 rated Very Critical, down 14% from July
  • 31 vulnerabilities added to CISA KEV catalog; Microsoft accounted for ~11% of all CVEs
  • Nuclei templates published for Ray (CVE-2025-62593), Metabase (CVE-2026-72898), IBM Langflow (CVE-2026-9198)
  • UAT-10147 used AI tooling (DeepAudit, PentestGPT) post-compromise against Zimbra and other servers
  • Prior PaperCut CVEs CVE-2026-81578 and CVE-2026-82078 tied to AI-orchestrated campaign
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Vulnerabilities mentioned

All
CVEVulnerabilityCVSSEPSSSignalsPublished
CVE-2025-62593
Actively Exploited Browser-Based RCE in Ray AI Compute Engine
9.460%KEVPoC
KEV
CVE-2026-3395
A flaw has been found in MaxSite CMS up to 109.1
5.54%
CVE-2026-59800
9Router before 0.4.44 contains an OS command injection vulnerability in the unauthenticated POST /api/tunnel/tailscale-install endpoint (this route is not…
9.22%
CVE-2026-72898
Unauthenticated SQL Injection in Metabase Grants Admin Access
10.099%KEVPoC ×3
KEV
CVE-2026-82078
+1 related CVE
Unsafe Reflection RCE in PaperCut NG/MF, Chained with Auth Bypass in Attacks
9.4
group max
61%KEV
KEV
CVE-2026-9198
Unauthenticated RCE Chain in IBM Langflow OSS 1.0.0-1.10.0
9.829%KEVPoC
KEV

From the original article

7 min read at recordedfuture.com

In August 2026, Insikt Group® identified 73 high-impact vulnerabilities that should be prioritized for remediation, 43 of which had a Very Critical Recorded Future Risk Score. This represents a 14% decrease from last month.

Recorded Future

By Insikt Group® · recordedfuture.com

Read the full article at Recorded Future

A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.