First reported feedly.com
Lead dispatch
First reported · updated · 3 reports embracethered.com
AWS Kiro: Arbitrary Code Execution via Indirect Prompt Injection
Researchers found a vulnerability (CVE-2026-10591) in AWS Kiro, an agentic IDE, where hidden instructions planted in a web page or source file that Kiro processes can trigger indirect prompt injection to rewrite Kiro's own MCP server configuration (~/.kiro/settings/mcp.json) or allowlist arbitrary Bash commands in .vscode/settings.json, achieving arbitrary code execution on the developer's machine with no approval prompt. The human-in-the-loop approval boundary is bypassed because Kiro can write to these config files without user consent, and AWS has issued a fix and CVE.indirect-prompt-injection · prompt-injection · remote-code-execution · tool-abuse · config-poisoning
ai-agents · mcp · llm · agentic-ide
Severity
0.85
The wire · latest
First reported redhat.com
CVE-2026-49468 - Red Hat Customer Portal
CVE-2026-49468 is an Important-severity (CVSS 8.1) authentication-bypass flaw in LiteLLM, a proxy server (AI Gateway) used to call LLM APIs. A remote attacker sending a crafted Host header can bypass the proxy authentication layer to gain unauthenticated access to protected management routes, potentially leading to full system compromise. The issue is fixed in LiteLLM v1.84.0 (GHSA-4xpc-pv4p-pm3w), and Red Hat notes its default images do not start the vulnerable proxy. Details →First reported gitlab.com
LiteLLM: MCP Authentication Bypass via OAuth2 Passthrough Fallback | GitLab Advisory Database (GLAD)
CVE-2026-59822 is an authentication bypass in LiteLLM's MCP Streamable HTTP endpoint, where the OAuth2 passthrough fallback path replaced failed LiteLLM key validation with an empty UserAPIKeyAuth() object. An unauthenticated attacker could supply an arbitrary/fabricated Bearer token to establish an authenticated MCP session, then list and call configured MCP tools and access connected services. The issue is fixed in LiteLLM v1.84.0. Details →First reported nist.gov
NVD - CVE-2026-59819
CVE-2026-59819 is a vulnerability in LiteLLM, an AI gateway/proxy for calling LLM APIs, where prior to version 1.83.10-stable the /health/test_connection endpoint resolved request-supplied environment and OIDC file references in litellm_params, allowing a privileged caller to read arbitrary local files via an oidc/file/ reference (CWE-73). The issue is fixed in version 1.83.10-stable. Details →How the wire is made
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