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Root RCE Zero-Day in Cisco Secure Email Gateway Actively Exploited

A root RCE zero-day in Cisco Secure Email Gateway is under active exploitation, plus a Revolut data breach and several newly disclosed CVEs.

๐Ÿ•ต๏ธ RESEARCH & DEEP DIVES

  • CVE-2026-90857: Unrestricted upload flaw in SourceCodester College Notes Gallery Management System 1.0
    An unrestricted file upload vulnerability was disclosed in SourceCodester College Notes Gallery Management System 1.0.

    • Affects SourceCodester College Notes Gallery Management System 1.0, specifically the Profile Upload component at /dashboard/userprofile.php.
    • Manipulating the 'image' argument allows unrestricted file upload; the attack can be initiated remotely by authenticated users.
    • A public exploit is available; CVSS 3.1 score is 6.3 (Medium).
    • Reported by OnlyCMJB via VulDB (VDB-403414), disclosed 2026-09-14.
    Sources ๐Ÿ“„ Source: vuldb.com ยท ๐Ÿ“Ž Coverage: cve.threatint.com ยท ๐Ÿ‘ via CVE ThreatInt
  • Root RCE Zero-Day in Cisco Secure Email Gateway Under Active Exploitation โ€” SecurityWeek

  • D-Link DSL-3782 Diagnostics Diagnostics.asp system command injectionA securit... โ€” CVE ThreatInt

  • zyx0814 FilePress Publish search.php sql injectionA vulnerability was identif... โ€” CVE ThreatInt

  • vllm-project vLLM Jinja Template Rendering completions resource consumptionA ... โ€” CVE ThreatInt

  • SourceCodester Online Faculty Clearance System update_requirement_status.php ... โ€” CVE ThreatInt

  • SourceCodester Online Faculty Clearance System delete_requirement.php sql inj... โ€” CVE ThreatInt

  • subhajitkhan online-clinic-management-system adminappview.php session_start a... โ€” CVE ThreatInt

  • SourceCodester College Notes Gallery Management System Registration Flow sign... โ€” CVE ThreatInt

  • SkillAtlas: An Attack Trace Library for Agent Skills โ€” arXiv cs.CR

  • Principled Detection of Coordinated Manipulation from Aggregate Distortion and Account Reuse โ€” arXiv cs.CR

  • BadEngram: Backdoor Attack on Gated Memory Components in LLMs โ€” arXiv cs.CR

  • Canaries in the Bank: Auditing User-Level Privacy in Private Evolution โ€” arXiv cs.CR

  • Mind the Gap: Detecting Description-Execution Mismatch Attacks in DAO Governance โ€” arXiv cs.CR

  • EI-DDLGN: Efficient Encrypted Inference with Deep Differentiable Logic Gate Networks under TFHE โ€” arXiv cs.CR

  • Basis Rigidity of the AES S-box and Generic Rigidity of Inversion under Affine Transformations โ€” arXiv cs.CR

  • PatchRisk: Forecasting Future Vulnerability Exposure in Open-Source Dependency Networks โ€” arXiv cs.CR

  • PQLN: Post-Quantum Security for the Bitcoin Lightning Network's Off-Chain Surfaces โ€” arXiv cs.CR

  • Exploring Automated Vulnerability Identification in JavaScript Code Using Large Language Models โ€” arXiv cs.CR

  • PriMobiBench: Characterizing Visual Privacy Leakage in VLM-Driven Mobile GUI Agents โ€” arXiv cs.CR

  • When Malicious Instructions Persist: Persistent Memory Poisoning Attack on Harness-Based Agents โ€” arXiv cs.CR

  • Enforcement of In-Kernel Stateful Security Policies via eBPF โ€” arXiv cs.CR

  • Confuse the Model, Control the Flow: Understanding and Mitigating Privacy Leakage from LLM Agents with Information Flow Control โ€” arXiv cs.CR

  • A High-Throughput FPGA Architecture for Real-Time TCP-SYN Scan Detection โ€” arXiv cs.CR

  • Symmetric Models for Syndrome Decoding โ€” arXiv cs.CR

  • AGENTQ: Quantization-Conditioned Backdoor Attacks on LLM Agents โ€” arXiv cs.CR

  • SkillSecurer: Detecting and Patching Prompt-Injection Vulnerabilities in AI Agent Skills โ€” arXiv cs.CR

  • The Deception Delta: Adversarial Evaluation of LLM-Based Smart Contract Bytecode Forensics โ€” arXiv cs.CR

  • Same Name, Different Server: A Security Census of Silent Drift in the Model Context Protocol Ecosystem โ€” arXiv cs.CR

  • For any fellow Mastodon server admins in the UK, I'm aware of the Social Media Platforms (Ofcom Licensing) Act 2026. โ€” @GossiTheDog@cyberplace.social

  • Hackers Exploit Critical Cisco Secure Email Gateway Vulnerability in the Wild to Run Malicious Code โ€” Cyber Security News

  • Revolut Data Breach Via Fake Government Requests โ€“ What We Know So Far โ€” Cyber Security News

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