MAL-2026-10074 Malicious code in testis-pack (npm)

The npm package testis-pack presents itself as a small binary packing/checksum utility pack/unpack/checksum/inspect but embeds an obfuscated dropper. It declares a preinstall: node index.js hook. The strings for the C2 host, path and dropped-binary name are not present in plaintext — they are...

MAL-2026-10075 Malicious code in testudo-pack (npm)

The npm package testudo-pack is byte-for-byte identical verified via diff to testis-pack from the same npm publisher ioa2102 [email protected], differing only in its install hook: postinstall: node index.js instead of preinstall. It presents itself as a small binary packing/checksum...

antagonist.nl Improper Access Control vulnerability

Open Bug Bounty ID: OBB-1136534 Security Researcher keritzy Helped patch 2026 vulnerabilities Received 5 Coordinated Disclosure badges Received 4 recommendations , a holder of 5 badges for responsible and coordinated disclosure, found a security vulnerability affecting antagonist.nl website and i...