
penthera
Offline cyber security agent for your apps and AI coding tools. Open R&D: measured in public, improved every release.

Offline cyber security agent for your apps and AI coding tools. Open R&D: measured in public, improved every release.

Read-only scanner for the backdoored Claude Code 2.1.313 extension (Cursor marketplace, Oct 2026): SSH key, persistence, reverse tunnel. macOS +…

Example programs in Go, Java, Node, Perl, Python, Ruby, Rust, and curl that test whether a TLS trust store rejects connections to known-bad eMudhra…

Find the version that the project you currently develop or audit uses and quickly check which are the known smart contract security vulnerabilities…

Security vulnerability database inclusive of CVEs and GitHub originated security advisories from the world of open source software.

Agent skill + script to scan projects for CVE-2026-111497 (Brotli), rate criticality and suggest fixes

Claude Code and Codex skill for finding potentially vulnerable Brotli copies and guiding updates for CVE-2026-111497.

Unofficial patches for PHP CVE-2026-109618 / CVE-2026-109619 (RCE, CVSS 9.2) on EOL platforms: PHP 7.3 on CentOS/RHEL 7 (Remi), PHP 5.4 on Amazon…

Unofficial fix for CVE-2026-109618 / CVE-2026-109619 (php2shell) for the end-of-life PHP 5.4 / 5.3 packages of RHEL, CentOS and Oracle Linux 7 / 6

(Python Distribution) A carefully curated collection of Root Certificates for validating the trustworthiness of SSL certificates while verifying the…

Maintains the TUF repository that securely delivers the Sigstore trust root (trusted_root.json) to clients, using keyholder threshold signing, KMS…

Detect secrets + live validation. Map blast radius. Revoke fast. Use the CLI or embed in Rust and Python.

VulnCheck's official command line tool

CVE-2026-102282: Local Privilege Escalation via SUID/SGID preservation during archive extraction

CVE-2026-102282: adm-zip LPE via SUID/SGID preservation during archive extraction (fixed in 0.6.1)

Python PoC for CVE-2026-101894: symlink-chain path traversal in @xhmikosr/decompress. Includes local Node lab, lockfile version scan, and mass…

Developer-focused knowledge base of application security vulnerabilities with insecure vs secure code examples, prevention guidance, and OWASP/CWE…

LLM-backed AI agent security — inbound injection detection + outbound privacy protection