Security Articles

Stay ahead of emerging threats with expert analysis from 137 published security articles, vulnerability reports, and cybersecurity insights — updated daily with the latest CVEs, threat actor campaigns, and security advisories. As of Tuesday, June 9, 2026, the most urgent items for production stacks: the "Miasma" worm has detonated across 73 Microsoft-owned GitHub repositories in an npm supply-chain cascade — a software supply-chain attack means malicious code is planted in a trusted package your developers already install, so it spreads automatically into everything that depends on it — making any team that pulls JavaScript packages from npm a potential downstream victim; audit your dependencies and pin trusted versions now. The Cisco Catalyst SD-WAN Manager zero-day CVE-2026-20245 remains under active exploitation with no patch available yet — restrict management-interface access and watch Cisco's advisory for the fix. Cisco Unified Communications Manager flaw CVE-2026-20230 hands attackers root through a server-side request forgery (SSRF) bug — a server tricked into making attacker-controlled requests — and a working proof-of-concept exploit is already public, so patch now. The Mirasvit Cache Warmer bug CVE-2026-45247 is being used for active remote code execution (RCE — running attacker code on your server) against Magento e-commerce stores. Still carrying forward: the HTTP/2 "Bomb" CVE-2026-49975 lets a single home connection knock NGINX, Apache, IIS, and Cloudflare web servers offline; Palo Alto GlobalProtect authentication-bypass CVE-2026-0257 remains on the CISA Known Exploited Vulnerabilities (KEV) catalog under active exploitation; and the WP Maps Pro WordPress flaw CVE-2026-8732 is still spawning rogue administrator accounts across roughly 15,000 sites. If your business pulls npm packages, or runs Cisco SD-WAN or Unified CM, Magento, a public web server, Palo Alto GlobalProtect, or WordPress with WP Maps Pro, these advisories require action now — start with the article-level remediation steps below.

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128 articles found

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Jun 13, 2026

highCVE AdvisoryVulnerability

HIGH: Velvet Ant Backdoored Linux PAM and OpenSSH to Live in One Network for Nearly a Decade

Sygnia disclosed Operation Highland this week, a China-nexus campaign by the Velvet Ant cluster that compromised core Linux authentication on a victim network from 2016 through 2026. Nine variants of backdoored PAM modules and patched OpenSSH binaries delivered hardcoded magic-password access plus continuous credential and command logging. A parallel commodity tool called PamDOORa now sells for $900 on a Russian forum, putting the same authentication-layer tradecraft within reach of any ransomware affiliate with root.

By Danny MercerRead Full Article

critical

CVE AdvisoryVulnerability•Jun 12, 2026

CRITICAL: Oracle PeopleSoft Zero-Day CVE-2026-35273 Powers ShinyHunters Spree Across 100+ Universities

ShinyHunters weaponized an unauthenticated 9.8 CVSS RCE in Oracle PeopleSoft PeopleTools (CVE-2026-35273) as a zero-day from May 27 through June 9, breaching the University of Nottingham and over a hundred mostly higher-education organizations before Oracle issued an out-of-band advisory on June 10.

high

CVE AdvisoryVulnerability•Jun 11, 2026

HIGH: Langflow Path Traversal CVE-2026-5027 Lets Unauthenticated Attackers Plant Code on Roughly 7,000 Exposed AI Servers

A path traversal flaw in Langflow's POST /api/v2/files endpoint allows unauthenticated attackers to write files anywhere the platform process can reach, opening a clean route to remote code execution on the roughly seven thousand exposed instances Censys is currently tracking. Tenable disclosed CVE-2026-5027 in late March, the maintainers shipped a fix in version 1.10.0 on June 10, and VulnCheck honeypots are catching exploitation right now. Patch immediately or pull the instance off the public internet.

high

CVE AdvisoryVulnerability•Jun 10, 2026

HIGH: Chrome V8 Zero-Day CVE-2026-11645 Under Active Exploitation, Patch Today

Google confirmed active in the wild exploitation of CVE-2026-11645, an out-of-bounds read and write vulnerability in Chrome V8 with a CVSS score of 8.8. The fifth Chrome zero day patched in 2026 lets attackers run code inside the browser sandbox via a crafted HTML page. Update to Chrome 149.0.7827.102 or .103 immediately and force a relaunch across the fleet.

critical

CVE AdvisoryVulnerability•Jun 9, 2026

CRITICAL: LiteLLM RCE Chain Hits CISA KEV as Attackers Hammer Exposed AI Gateways

LiteLLM CVE-2026-42271 chained with Starlette CVE-2026-48710 (BadHost) creates an unauthenticated RCE path scoring CVSS 10.0 against AI gateways. CISA added the flaw to the KEV catalog after confirming active exploitation. Patch LiteLLM 1.83.7 and Starlette 1.0.1 immediately or block the vulnerable MCP test endpoints at your reverse proxy.

high

CVE AdvisoryVulnerability•Jun 8, 2026

HIGH: Miasma Worm Detonates 73 Microsoft GitHub Repos in npm Supply Chain Cascade

GitHub disabled 73 repositories across four Microsoft organizations after the Miasma worm spread through 57 npm packages, including @vapi-ai/server-sdk and ai-sdk-ollama. The TeamPCP-linked variant of Mini Shai-Hulud uses a Phantom Gyp binding.gyp injection plus AI coding assistant rule files in Claude Code, Cursor, Gemini CLI, and VS Code to harvest AWS, GCP, Azure, Vault, and GitHub Actions credentials.

high

CVE AdvisoryVulnerability•Jun 7, 2026

HIGH: Cisco Unified Communications Manager SSRF Flaw Has a Public PoC and a Root-Level Punchline (CVE-2026-20230)

Cisco's June 3 advisory for CVE-2026-20230 details a critical-rated SSRF in the Unified Communications Manager WebDialer service, with a CVSS 8.6 base score and a public proof-of-concept already in circulation. An unauthenticated attacker on the network can write arbitrary files to the underlying OS and chain that into root. Cisco has released fixes in 14SU6 and an interim COP for the 15 line, with 15SU5 due in September 2026. Disabling WebDialer is the recommended interim mitigation.

high

CVE AdvisoryVulnerability•Jun 6, 2026

HIGH: Cisco Catalyst SD-WAN Manager Zero-Day Under Active Exploitation, No Patch Available (CVE-2026-20245)

Cisco confirmed active exploitation of CVE-2026-20245, an unpatched command injection flaw in Catalyst SD-WAN Manager that lets authenticated attackers escalate to root and push malicious configurations to edge devices. The CVSS 7.8 bug is the seventh exploited SD-WAN zero-day since 2023 and chains with two prior auth bypass vulnerabilities to enable full remote takeover. No patch is available.

critical

CVE AdvisoryVulnerability•Jun 5, 2026

CRITICAL: Cisco Unified CM SSRF Flaw CVE-2026-20230 Hands Attackers Root, PoC Already Public

Cisco patched CVE-2026-20230, an unauthenticated SSRF in the Unified Communications Manager WebDialer Web Service that lets remote attackers write arbitrary files and escalate to root. Public proof-of-concept code is already circulating. CVSS 8.6 with a Critical Security Impact Rating from Cisco PSIRT. Version 14SU6 is fixed, but the 15 train waits until September 2026 for 15SU5 with only an interim COP patch available now.

critical

CVE AdvisoryVulnerability•Jun 4, 2026

CRITICAL: Active Exploitation Hits Magento Stores via Mirasvit Cache Warmer Bug (CVE-2026-45247)

CISA added CVE-2026-45247, a CVSS 9.8 PHP object deserialization flaw in the Mirasvit Full Page Cache Warmer extension for Adobe Commerce and Magento, to its Known Exploited Vulnerabilities catalog after Imperva confirmed active unauthenticated RCE attacks against gaming and business storefronts in the US, UK, France, and Australia. Patch to version 1.11.12 or disable the extension immediately.

high

CVE AdvisoryVulnerability•Jun 3, 2026

HIGH: HTTP/2 Bomb Vulnerability Lets a Home Connection Flatten NGINX, Apache, IIS, Envoy, and Cloudflare Pingora

A newly disclosed HTTP/2 vulnerability dubbed HTTP/2 Bomb lets a single client on a residential connection exhaust 32 gigabytes of server memory in under twenty seconds. The flaw, tracked as CVE-2026-49975 for Apache httpd, affects NGINX, Apache, Microsoft IIS, Envoy, and Cloudflare Pingora. NGINX and Apache shipped fixes. IIS, Envoy, and Pingora remain unpatched as of public disclosure on June 2, 2026.

critical

CVE AdvisoryVulnerability•Jun 2, 2026

CRITICAL: Palo Alto Networks PAN-OS GlobalProtect Authentication Bypass Under Active Exploitation

An authentication bypass flaw in PAN-OS GlobalProtect portal and gateway (CVE-2026-0257, CVSS 9.1) is under active exploitation. Rapid7 confirmed in-the-wild attacks beginning May 17, and the CISA federal remediation deadline expired June 1. Patches and workarounds are available across PAN-OS 10.2, 11.1, 11.2, and 12.1 branches.

critical

CVE AdvisoryVulnerability•Jun 1, 2026

CRITICAL: WP Maps Pro Bug (CVE-2026-8732) Spawns Admin Accounts on 15,000 WordPress Sites

A CVSS 9.8 unauthenticated admin account creation flaw in the WP Maps Pro WordPress plugin (CVE-2026-8732) is under active mass exploitation. Wordfence blocked 2,858 attempts and Defiant blocked more than 3,600 within a single 24 hour window. The bug abuses a vendor-support shortcut to mint administrator accounts via an unauthenticated AJAX endpoint. All versions through 6.1.0 are vulnerable. Patch to 6.1.1 and hunt for rogue admins emailed support@flippercode.com.

high

CVE AdvisoryVulnerability•May 31, 2026

HIGH: Palo Alto GlobalProtect Auth Bypass (CVE-2026-0257) Actively Exploited, Now on CISA KEV

A GlobalProtect authentication override flaw in PAN-OS lets unauthenticated attackers forge session cookies and walk into the VPN. Rapid7 observed two waves of in the wild exploitation in May, CISA added the bug to the KEV catalog on May 29 with a June 1 federal deadline, and Palo Alto Networks has confirmed active exploitation against unpatched devices.

critical

CVE AdvisoryVulnerability•May 29, 2026

CRITICAL: FortiClient EMS Bug CVE-2026-35616 Weaponized to Push EKZ Infostealer Across Managed Fleets

Threat actors are abusing CVE-2026-35616, a CVSS 9.1 pre-authentication API bypass in FortiClient EMS, to hijack endpoint management consoles and push the newly identified EKZ infostealer to every managed endpoint disguised as FortiEndpoint_Patch.exe. Patch to 7.4.7 immediately and hunt for indicators in EMS logs and on managed hosts.

high

CVE AdvisoryVulnerability•May 28, 2026

HIGH: Iranian MuddyWater APT Hits Nine Countries With Signed-Binary DLL Side-Loading Through SentinelOne and Fortemedia

Symantec and Carbon Black detail a Q1 2026 MuddyWater espionage campaign that breached nine organisations across nine countries on four continents, abusing signed SentinelOne and Fortemedia binaries for DLL side-loading and deploying ChromElevator, a Node.js implant, and the FileFiend exfiltration tool. The Iranian MOIS-linked group is moving toward quieter, more disciplined operations.

high

CVE AdvisoryVulnerability•May 27, 2026

HIGH: Microsoft Patches SharePoint Deserialization RCE That Hands Site Members Server Code Execution

Microsoft patched CVE-2026-45659, an 8.8 CVSS deserialization remote code execution flaw in SharePoint Server Subscription Edition, 2019, and 2016. The bug only requires Site Member privileges, a trivially low bar given SharePoint history of being weaponized for mass exploitation.

critical

CVE AdvisoryVulnerability•May 26, 2026

CRITICAL: Ghost CMS SQL Injection Bug Turns Harvard, Oxford and 700 Other Sites Into ClickFix Launchpads

Threat actors are mass-exploiting CVE-2026-26980, a critical SQL injection bug in Ghost CMS, to harvest Admin API keys and inject ClickFix malware loaders into more than 700 hijacked sites including Harvard, Oxford, Auburn, and DuckDuckGo. A patch has been available in version 6.19.1 since February.

critical

CVE AdvisoryVulnerability•May 24, 2026

CRITICAL: LiteSpeed cPanel Plugin Zero-Day Gives Any Hosting User Root (CVE-2026-48172)

A CVSS 10.0 zero-day in the LiteSpeed User-End cPanel Plugin lets any authenticated cPanel user execute arbitrary scripts as root via the lsws.redisAble JSON-API endpoint. LiteSpeed confirms active in-the-wild exploitation. Plugin versions 2.3 through 2.4.4 are vulnerable, with the fix shipped in 2.4.7.

high

CVE AdvisoryVulnerability•May 23, 2026

HIGH: Drupal Core SQL Injection CVE-2026-9082 Hits CISA KEV Days After Disclosure

Drupal disclosed SA-CORE-2026-004 (CVE-2026-9082), a Highly Critical SQL injection in the core database abstraction API that lets unauthenticated attackers escalate privileges and reach remote code execution on PostgreSQL-backed sites. Imperva is tracking 15,000+ attack attempts against nearly 6,000 sites across 65 countries. CISA added the bug to KEV on May 22 with a federal patch deadline of May 27, 2026.

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