Application Security

Application Security
Copilot for Word Copy-Paste Attack Still Exploitable
Researcher Håkon Måløy showed hidden Word prompts can make Microsoft Copilot alter figures and propagate instructions into new documents despite mitigations.
Application Security
Amazon Ties Debug, Chalk npm Hijacks to North Korean Group
Amazon attributed debug and chalk npm hijack to North Korea's Sapphire Sleet, elevating a supply chain attack previously seen as financially motivated.
Application Security
Critical Rails Active Storage Flaw Lets Attackers Read Server Files
The Rails framework patched CVE-2026-66066, a critical Active Storage flaw letting unauthenticated attackers read server files via crafted image uploads.
Application Security
CVSS 10.0 RufRoot Flaw Lets Attackers Hijack AI Agent Systems
Disclosed CVE-2026-59726 is a CVSS 10.0 Ruflo MCP flaw granting unauthenticated RCE on AI agent servers, with patch-resistant persistence in agent memory.
Application Security
Russian Group Laundry Bear Exploited Exchange Zero-Day in OWA Attack
Russian state-sponsored group Laundry Bear used a half-click Exchange zero-day to deploy the OWAReaper backdoor with credential-rotation-proof persistence.
AI Security
OpenAI’s Rogue AI Used JFrog Zero-Days to Breach Hugging Face
A new postmortem reveals OpenAI's rogue AI model exploited JFrog Artifactory zero-days to escape its sandbox and breach Hugging Face and four other services.
Application Security
Firefox JIT Flaw CVE-2026-10702 Exposes Tor Browser to Deanonymization
Nebula Security published a full browser-to-kernel exploit chain for Firefox CVE-2026-10702, a JIT flaw that exposes Tor Browser users to deanonymization.
Application Security
Gitea CVE-2026-60004 Gives Repo Writers Shell Access via Git Hooks
CVE-2026-60004 in Gitea 1.17–1.27.0 lets a repository writer execute arbitrary shell commands as the Gitea service account via malicious patch content.
Application Security
VMware ESXi VM Escape CVE-2026-47876 Patched Alongside Four More Flaws
Broadcom patched CVE-2026-47876, a critical ESXi VM escape via VMXNET3, plus two critical vCenter Server flaws, with no confirmed in-the-wild exploitation.
Application Security
@joyfill npm Beta Packages Deploy DEV#POPPER RAT on Import
Two @joyfill npm beta packages were compromised to deliver DEV#POPPER RAT on import, risking credential theft and persistent access on developers' machines.