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DomainAll Cyber AIWindow24h 3d 7d 30d AllIn the wild Important only Show duplicates

CategoryAll Vulnerability 24 Malware 18 Exploit / PoC 18 Threat actor 14 AI safety & security 9 Phishing & fraud 7 Advisory 4 Ransomware 3 Research 3 Policy & legal 1 Industry 1 Tools 1 Data breach 1

SeverityAll critical 8 high 47 medium 37 low 2 info 10

Acronis Backup Plugin Vulnerability Exploited in the Wild to Gain Elevated Linux Privileges

Acronis patched CVE-2026-87886 (CVSS 7.8), a local privilege escalation flaw in its cPanel & WHM backup plugin already exploited in targeted attacks.

Acronis released an urgent update for CVE-2026-87886 (CVSS 7.8), an insecure file permissions issue (CWE-276) in its Backup plugin for cPanel & WHM that lets a low-privileged local user elevate privileges on Linux servers. The company confirmed exploitation in limited, targeted attacks against cPanel & WHM deployments; the Plesk extension is also affected but no exploitation was observed there. Fixes are version 1.9.3 HF3 (build 1.9.3.1021 or later) for cPanel & WHM and 1.8.11 (build 1.8.11.638 or later) for Plesk.

GBHackersupdated 11:08 UTC · 5h agofirst 09:57 UTC · 7h agoExploit / PoC in the wild 6 sources CVE-2026-87886

Hackers Exploit WooCommerce Plugin Bug to Take Over WordPress Sites Without Login

Attackers exploit CVE-2026-27540 (CVSS 9.8) in WooCommerce Wholesale Lead Capture to upload PHP webshells without authentication.

Attackers are actively exploiting CVE-2026-27540, a CVSS 9.8 unauthenticated file upload flaw in the WooCommerce Wholesale Lead Capture plugin (versions through 2.0.3.1, ~6,000 active sites). The plugin trusts a client-supplied list of allowed file types, letting attackers upload PHP webshells (shell.php) via the admin-ajax.php handler without any WordPress account. Wordfence blocked more than 100,000 exploit attempts, with activity bursts June 4-17, July 1, and August 30; a patch is available in version 2.0.3.2.

Cyber Security Newsupdated 15:00 UTC · 2h agofirst Sep 15, 11:41 UTC · 1d agoExploit / PoC in the wild 6 sources CVE-2026-27540

Linux Kernel ZcopyReaper Vulnerability Lets Local Attackers Gain Root Privileges

Linux kernel RDS zero-copy flaw CVE-2026-43502 (ZcopyReaper) lets unprivileged local users gain root; fix in 7.1-rc3, public PoC published.

CVE-2026-43502, dubbed ZcopyReaper, is a Linux kernel local privilege escalation flaw in the RDS zerocopy send path, present since kernel 4.17, allowing unprivileged local attackers to gain root. NebuSec researcher Yuan Tan demonstrated root escalation on openSUSE kernel 6.4.0-150600.23.100; the fix landed in commit 44b550d88b26 with Linux 7.1-rc3 the first patched mainline release. Exploitation requires CONFIG_RDS and CONFIG_RDS_TCP but not unprivileged user namespaces, and PoC exploit material is publicly released alongside more than 20 other exploitable 2026 kernel CVEs.

GBHackersSep 15, 08:18 UTC · 1d agoExploit / PoC CVE-2026-43502 CVE-2026-43501 CVE-2026-43074+4 CVEs1

Mass Scanning Targets Exposed Vite Servers to Steal AWS Keys and Azure Tokens

Attackers mass-scanned exposed Vite dev servers exploiting CVE-2026-39364 to read .env files and steal AWS keys and Azure tokens, per F5 Labs honeynet data.

Honeynet telemetry recorded 807 session-grouped attacks and roughly 32,000 raw events in August 2026 against exposed Vite development servers. CVE-2026-39364 (CVSS 7.5) is an unauthenticated file-read flaw in Vite 7.1.0 through 7.3.2 and 8.0.5 that bypasses server.fs.deny via query parameters like ?raw and ?import&raw to return files in plaintext. Attackers also probed older Vite flaws CVE-2025-30208, CVE-2025-31125, and CVE-2024-45811, and used wordlists to locate .env files, AWS credential files, Azure token stores, and Terraform state across Linux, container, and web paths. Exposed secrets could enable lateral movement or full cloud account takeover.

GBHackersupdated Sep 15, 11:12 UTC · 1d agofirst Sep 15, 05:35 UTC · 1d agoExploit / PoC in the wild 4 sources CVE-2026-39364 CVE-2025-30208 CVE-2025-31125+1 CVEs

Hackers Exploit FortiGate SSL-VPN Flaw to Breach Thai ISP and Deploy MeshCentral Backdoor

Threat actors exploited FortiOS SSL-VPN flaw CVE-2024-21762 to breach Thai ISP Triple T Broadband, gaining root-level persistence via MeshCentral agents.

Attackers exploited CVE-2024-21762, an out-of-bounds write enabling unauthenticated RCE in FortiOS SSL-VPN, against Triple T Broadband's FortiGate 60F at mail.3bb.co.th, launching a Node.js reverse shell via a ROP payload. Hunt.io uncovered the operation through an exposed staging directory at 92.63.180[.]133:8888 containing 298 files of exploits, credential-harvesting scripts, session cookies, and a device inventory. Post-compromise, the actors deployed MeshCentral agents (device group TH-3BB, C2 www.ayuthayatech.com) running as root, plus a hidden SUID backdoor at /usr/local/bin/.rc, and also targeted an internal Pentaho/Tomcat server with Ghostcat (CVE-2020-1938). A cleanup script removed logs, shell histories, and web shells while deliberately preserving the MeshCentral agent and SUID backdoor.

GBHackersSep 15, 05:20 UTC · 1d agoExploit / PoC in the wild 3 sources CVE-2024-21762 CVE-2020-1938

China-Linked Hackers Chain Chrome Zero-Day With Windows Kernel Flaw in Attacks

Volexity reports China-linked UTA0560 and JungleBamboo chained Chrome zero-day CVE-2026-85046 with kernel flaws to spy on NGOs.

Volexity documented campaigns detected on September 1, 2026, in which China-linked actors UTA0560 and JungleBamboo (APT31) chained CVE-2026-85046 (V8 type confusion), CVE-2026-87491 (WebAssembly sandbox escape), and CVE-2026-85880 (Windows kernel privilege escalation in RtlpCreateServerAcl). Victims were lured via links on legitimate U.S. university sites vulnerable to reflected XSS, then served hidden exploit iframes behind a donation-form image. Although a V8 fix had landed in Chromium's source after private August reporting, Chrome had not yet shipped it, creating a patch gap the actors exploited. The two groups installed distinct payloads: UTA0560 delivered the GRIMWEDGE JScript backdoor via DLL side-loading, while JungleBamboo used the SUPERSTOMP loader to install the LONGTALE credential-stealing Chrome extension disguised as Google Gemini.

GBHackersupdated 16:06 UTC · 59m agofirst Sep 12, 08:04 UTC · 4d agoExploit / PoC in the wild 22 sources CVE-2026-85046 CVE-2026-87491 CVE-2026-858802· 1 read

CISA Adds Exploited MikroTik RouterOS Flaws to Security Alert

CISA added two actively exploited MikroTik RouterOS flaws, CVE-2026-67277 and CVE-2026-86060, to its KEV catalog with a September 13 mitigation deadline.

CISA added CVE-2026-67277 and CVE-2026-86060 in MikroTik RouterOS to the Known Exploited Vulnerabilities catalog on September 10, giving federal agencies until September 13 to apply vendor mitigations. CVE-2026-67277 is a missing-authentication flaw (CWE-306) in the bandwidth-test (btest) service that can expose kernel memory and cause denial of service; CVE-2026-86060 (CWE-88) lets attackers manipulate the trusted RouterOS policy mask for privilege escalation. CISA designated CVE-2026-86060 as requiring forensic triage under Binding Operational Directive 26-04, meaning organizations should hunt for compromise indicators, not just patch. Compromised routers could have altered routing rules, persistence, traffic interception, or use as pivots into internal networks.

GBHackersSep 11, 11:57 UTC · 5d agoExploit / PoC in the wild 3 sources CVE-2026-67277 CVE-2026-860601

LiteLLM Flaws Let Attackers Execute Code as Root and Steal Cloud Credentials

Wiz disclosed LiteLLM flaws including CVE-2026-59822 MCP auth bypass, now in CISA KEV, enabling root RCE and AWS credential theft from exposed gateways.

Wiz researchers disclosed weaknesses in the open-source LiteLLM AI gateway: CVE-2026-59821 allows authenticated administrators to execute code as root via the Custom Code Guardrails feature, while CVE-2026-59822 is an MCP authentication bypass where a meaningless Bearer token establishes a valid session. The MCP bypass was observed in the wild through Wiz honeypots and added to CISA's Known Exploited Vulnerabilities catalog on September 2. A scan of 3,074 internet-facing instances found 294 (9.6%) accepting the default master key sk-1234 or lacking authentication. Fixes shipped in LiteLLM 1.82.0 (guardrail hardening) and 1.84.0 (MCP bypass); exposed instances can leak provider API keys and temporary AWS IAM credentials via the pass-through feature and metadata service, with a related config-check issue tracked as CVE-2026-35029.

Cyber Security Newsupdated Sep 10, 12:56 UTC · 6d agofirst Sep 10, 12:26 UTC · 6d agoExploit / PoC in the wild 3 sources CVE-2026-59821 CVE-2026-59822 CVE-2026-35029

Hackers Deploy Hundreds of AI Agents to Compromise 440 PaperCut Servers

AI-agent campaign exploited PaperCut CVE-2026-81578 and CVE-2026-82078, compromising 440 servers at 395 organizations and reaching Domain Admin in 12.

GreyNoise tracked a likely Russian-speaking actor that used AI agents (OpenAI Codex, a DeepSeek model) to exploit an authentication bypass (CVE-2026-81578) and unsafe-reflection RCE (CVE-2026-82078) in PaperCut NG/MF starting August 31, 2026. At least 440 servers across 395 organizations in 48 countries were compromised, with one US high school going from initial access to Domain Admin in seven minutes. Escalation relied on LSASS and registry credential harvesting, pass-the-hash, the noPac technique (CVE-2021-42278/CVE-2021-42287), new Domain Admin accounts, and DCSync to steal NTDS.DIT data. Operators staged registry hives, used Ligolo tunneling and certutil Base64 encoding for exfiltration, and one attempt was blocked by Cloudflare WAF.

GBHackersupdated Sep 11, 10:05 UTC · 5d agofirst Sep 10, 05:20 UTC · 6d agoExploit / PoC in the wild 7 sources CVE-2026-81578 CVE-2026-82078 CVE-2021-42278+1 CVEs1

Windows Defender ShieldCrash 0-Day Lets Attackers Read Arbitrary Files as SYSTEM

Unpatched Windows Defender zero-day 'ShieldCrash' PoC lets local attackers read arbitrary files as SYSTEM, apparently bypassing the CVE-2026-69414 patch.

Researcher MSNightmare published a skeleton proof-of-concept for 'ShieldCrash', an unpatched Microsoft Defender flaw enabling arbitrary file reads with SYSTEM privileges that reportedly persists on supported Windows versions after September 2026 updates. It appears to bypass the recent fix for the Malware Protection Engine elevation-of-privilege flaw CVE-2026-69414 (ShieldBreak), patched in engine version 1.1.26080.3. SYSTEM-level file disclosure could expose credentials, application secrets and registry hives and support post-compromise reconnaissance. No active exploitation is confirmed and Microsoft had issued no specific patch or mitigation at disclosure time.

GBHackersSep 9, 08:40 UTC · 7d agoExploit / PoC CVE-2026-69414

Google Chrome 153 Released With 230 Security Fixes and Zero-Day Exploited in the Wild

Google released Chrome 153 with 230 security fixes, patching CVE-2026-87491, a V8 out-of-bounds write zero-day actively exploited in the wild.

Google shipped Chrome 153 (153.0.8010.36/.37) for Windows, macOS, and Linux with 230 security fixes, including CVE-2026-87491, a medium-severity V8 out-of-bounds write being exploited in the wild. The release also fixes five critical vulnerabilities: four in WebGL (two use-after-frees, an out-of-bounds write, a buffer overflow) and one use-after-free in Cast. High-severity V8 use-after-free and type-confusion defects are among the fixes, and Google has restricted technical details until most users are patched. Administrators should verify deployed versions on managed endpoints, as Chrome-derived browsers may follow different patch schedules.

GBHackersSep 9, 06:17 UTC · 7d agoExploit / PoC in the wildCVE-2026-87491 CVE-2026-87464 CVE-2026-87488+19 CVEs1