HomeCybersecurity NewsCybersecurity news weekly roundup June 15, 2026
June 15, 2026

Cybersecurity news weekly roundup June 15, 2026

San Mateo, CA, June 15, 2026 — Developments, threats, and responses in the news last week.

STORIES LAST WEEK

Ivanti Sentry flaw is exploited against exposed gateways

CVE-2026-10520 lets attackers run root commands on Ivanti Sentry gateways and Shadowserver says unpatched exposed systems are likely compromised. CISA gave federal teams three days to secure affected appliances. BleepingComputer, June 12, 2026

ShinyHunters exploited Oracle PeopleSoft zero-day in education attacks

ShinyHunters exploited CVE-2026-35273 before Oracle’s advisory, targeting PeopleSoft in mostly U.S. higher education environments. Mandiant says attackers used disguised MeshCentral agents for reconnaissance, command execution, and lateral movement. Google Cloud, June 11, 2026

ServiceNow bug exposed customer instance data to the internet

A ServiceNow bug let unauthenticated internet users access some customer instance data before a June 5 patch. Admins should review logs for exposed support tickets, credentials, keys, and asset records. TechCrunch, June 10, 2026

Microsoft fixes exploited Exchange flaw in record Patch Tuesday

Microsoft patched 200 flaws, including six zero-days and one exploited Exchange Server spoofing bug. The release also covers critical Office, Azure Kubernetes Service, Active Directory, and HTTP.sys vulnerabilities. BleepingComputer, June 9, 2026

SAP patches critical NetWeaver and Commerce Cloud flaws

Splunk fixed CVE-2026-20253, an unauthenticated file creation flaw in Splunk Enterprise’s PostgreSQL sidecar service. The bug matters because logging and search platforms often hold sensitive telemetry, credentials, and incident data. SecurityWeek, June 11, 2026

Splunk Enterprise bug allows unauthenticated file creation

Splunk fixed CVE-2026-20253, an unauthenticated file creation flaw in Splunk Enterprise’s PostgreSQL sidecar service. Palo Alto also patched Cortex XSOAR and XSIAM credential validation bugs that affect restricted resources. SecurityWeek, June 11, 2026

LangGraph flaws enable remote code execution in AI agent deployments

Check Point showed how LangGraph SQLite and Redis checkpointer flaws can chain SQL injection, unsafe deserialization, and state persistence into remote code execution on self-hosted AI agent deployments. Check Point Research, June 11, 2026

Fake Sentry reports can hijack AI coding agents

Tenet demonstrated Agentjacking, where forged Sentry error reports make coding agents run attacker-controlled npm packages. Testing found 2,388 exposed organizations and agent execution across enterprises, startups, and developers. Tenet Security, June 9, 2026

Google lawsuit ties Gemini abuse to phishing infrastructure

Google sued Outsider Enterprise, alleging Gemini-assisted phishing infrastructure generated 9,000 fake sites and 1 million URLs. The case ties AI abuse to Telegram distribution, smishing, and credential theft. Help Net Security, June 12, 2026

CISA orders risk-based patch deadlines for federal agencies

BOD 26-04 gives federal agencies three days to remediate the riskiest flaws when exposure, KEV status, automation, and asset control line up. The directive formalizes risk-based patch prioritization. Cybersecurity Dive, June 10, 2026

FBI seizes fake recruiting sites tied to Chinese intelligence

The FBI seized 13 fake consulting websites allegedly used to recruit current and former cleared U.S. workers. Investigators said the operators relied on stolen identities, sham LinkedIn postings, and cryptocurrency payments. SecurityWeek, June 11, 2026

Cyberattack halts two Australian sugar mills during harvest

A cyberattack halted two Mackay Sugar mills in Queensland, forcing growers to stop harvesting during crushing season. The outage shows how IT disruption can quickly hit industrial operations and supply chains. The Record, June 10, 2026

Britain weakens telecom security rules after industry objections

Britain softened Salt Typhoon-era telecom guidance after industry objections, dropping independent signaling detection, untrusted-by-default signaling, and monthly restart requirements. Service account security deadlines also moved to 2029. The Record, June 9, 2026

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Ben Walker
Ben Walker
Ben Walker is a freelance research-based technical writer. He has worked as a content QA analyst for AT&T and Pernod Ricard.

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