Mozilla received a report on 17 October 2026 that private keys for eight eMudhra intermediate certificates were compromised. The Indian certification authority says it has issued over 60 million certificates. Researchers found some of the keys were trivially small integers, so anyone could forge HTTPS certificates for arbitrary domains an…
Check Point researchers disclosed two high-risk vulnerabilities in LiteLLM, an open-source LLM gateway with almost 100,000 downloads a month. The gateway connects enterprise AI applications to providers such as OpenAI, Google and Anthropic. The flaws, CVE-2026-35029 and CVE-2026-59823, could let any user with an account on a vulnerable de…
On October 20, the Go team released Go 1.27.3 and Go 1.26.10 on its URGENT track. The certificate verifier now rejects any chain passing through one of eight intermediate CA keys, citing unspecified "specific security concerns around their operation." A commenter on the Go issue matched the SHA-256 key hashes to intermediates of the India…
Researchers at Hacktron disclosed a vulnerability chain in OpenAI's ChatGPT Atlas Chromium-based AI browser that lets an attacker monitor all open tabs and capture OAuth authorization codes for any site, effectively breaking the same-origin policy. Atlas exposes Mojo IPC bindings to all .chatgpt.com and .openai.com origins, so a single XS…
Hacktron researchers disclosed a one-click universal XSS (UXSS) in Perplexity Comet, a Chromium-based AI browser with the Comet Assistant agent extension. The extension's manifest trusts the wildcard https://.perplexity.ai/ in externallyconnectable, so a single XSS on any perplexity.ai subdomain can reach privileged extension message hand…
Researcher Mohan Pedhapati of Hacktron ran an AI-driven audit against vinext, Cloudflare's Next.js reimplementation reportedly built in a week with AI assistance. The scan produced 45 findings, of which 24 were manually validated, including several Critical issues. The most serious bugs allow cross-user session data leakage, shared cache …
Researcher ahacker1, using the Hacktron AI tooling, disclosed a bypass of earlier fixes for prompt-injection-to-RCE in VS Code Copilot Chat agent mode. A TOCTOU flaw in the applyPatchTool component lets a crafted prompt write files outside the workspace without user confirmation. The attack can be triggered by pasting a prompt into Copilo…
F5 Labs analyzes CVE-2025-23061 and its predecessor CVE-2024-53900, a CVSS 9.0 flaw in the Mongoose MongoDB client library that allows remote code execution on Node.js API servers. The bug abuses the populate method, which accepts a $where clause containing arbitrary JavaScript. The initial fix for CVE-2024-53900 blocked only top-level $w…
A flaw dubbed SneakPeek in the preview pane of Anthropic's Claude Code Desktop can let adversaries quietly steal credentials from developers without any user interaction (zero-click). According to the report, exposed secrets include SSH private keys, AWS credentials and Claude OAuth tokens. The article excerpt provides no CVE identifier, …
An intruder reached a legacy system at OpenCode on the night of October 16, and the company says third-party AI provider keys saved in OpenCode Console "may have been exposed." About 1.4% of Console users, all with an outside provider linked, were notified by email on October 17 and told to revoke and replace their OpenAI, Anthropic or Go…
Pillar Security researcher Eilon Cohen disclosed on October 19 a critical remote code execution flaw in the open-source agentic AI coding tool OpenCode (developed by Anomaly), affecting versions 1.0.137 to 1.18.32 on Windows and WSL. A malicious remote MCP server can execute arbitrary code on a developer's machine during the MCP OAuth aut…
The Wiz Customer Incident Response Team (CIRT) reports a growing number of intrusions in which an AI agent system ran the entire operation: finding entry points, harvesting credentials, pivoting across platforms and debugging its own scripts in real time. In one investigated case, the agent compromised a large multi-cloud organization (GC…
Huntress analyzed an active credential-phishing campaign in which the lookalike domain watchguard-vpn.net harvests WatchGuard SSL VPN credentials. On October 7, 2026, an administrator at a managed service provider searched Bing for "watchguard vpn sll download" and clicked through to the fake page, which Huntress classifies as SEO poisoni…
Mozilla and the Chrome Root Program confirmed on October 20 that the private keys of eight eMudhra intermediate CA certificates (emSign brand) are compromised. Anyone holding these keys could issue certificates for any website that a browser would accept. A researcher credited as "Wayne" reported the compromise on October 17, and Chrome a…
Bullhorn, a US-based recruitment software provider serving more than 10,000 customers, disabled access to its platform after detecting a cyber incident on October 16-17, 2026. The company engaged CrowdStrike to investigate and restore services. Systems are back online in the UK, US and Australia, but as of October 20 some users still had …
ConnectWise said it is still responding to a security incident involving unauthorized access to application identities tied to Cloud Backup. The incident was identified on October 14, 2026, and mitigations began rolling out on October 17. The company has disabled the affected application connections, suspended Cloud Backup, and suspended …
OVHcloud disclosed a supply-chain attack on its command-line interface (CLI) repository on GitHub. An attacker used a compromised developer's GitHub account to insert a malicious binary designed to retrieve secrets from users' disks. CEO Octave Klaba confirmed the incident on 19 October 2026 after a customer report. The compromised releas…
OVHcloud disclosed that attackers hijacked a developer's GitHub account and used it to modify the open-source OVHcloud CLI repository, publishing trojanized releases 0.11.0 through 0.15.0 that carry information-stealing malware. According to CEO Octave Klaba, the malicious release appeared at 14:47 on October 19 and was detected and block…
An attacker pushed forged commits to the default branches of two unrelated GitHub projects, hugo-paper and mevn-cli. The commits add a preinstall hook (scripts/preinstall.js) that downloads and silently runs a second-stage script from buildwithknexus.xyz during npm install or bun install. The commits copy the author, date and message of t…
GhostAction has returned with an expanded credential-theft operation. By October 9, 2026, attackers had injected malicious GitHub Actions workflows into 790 repositories, according to OpenSourceMalware's validated total. The campaign was first documented by GitGuardian in 2025 (817 repositories, 3,325 stolen secrets). It relies on comprom…