A roundup of 238 items curated from across the security community.

CVE-2026-79957: IDOR Exposes Cleartext Passwords in ServiceNext

Black Lantern Security discovered that any authenticated ServiceNext user could enumerate sequential user IDs and pull every account’s cleartext password. Fully disclosed and remediated.

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IIS Shortname Enumeration Still Opens Doors After 16 Years

Black Lantern Security breaks down why this medium-CVSS, 16-year-old default-on IIS finding keeps chaining into critical results on real engagements. Also: Trezor wallets hit with the same implant technique.

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News

A compromised ConnectWise OAuth app gave attackers access to emails, files, and directory data across hundreds of M365 tenants. Persistent access survived credential revocation; MSP blast radius extends to downstream customers.

Someone embedded hardware implants in Ledger crypto wallets sold by authorized merchants, harvesting seed phrases and hijacking $100M from 300+ accounts. Trezor also affected.

FBI and Secret Service warn that attackers are selling persistent access to compromised Fortinet devices. The campaign looks more APT than smash-and-grab ransomware.

DOJ charged an OpenAI employee with installing a surreptitious audio recording device. Corporate espionage targeting AI labs is now a law enforcement priority.

Palo Alto Networks warns of an actively exploited RCE in PAN-OS. Patch immediately.

Record-breaking month. 70 critical flaws, 317 RCEs, 677 privilege escalations. One zero-day is actively exploited in the wild.

Anthropic researchers traced the unexplained constants in NIST elliptic curves to lrand48 calls seeded with Unix timestamps from the 1990s. No backdoor, just 90s engineering.

Coordinated DOJ takedown targeting DPRK remote IT worker operations that infiltrated 70+ US companies, funneling wages back to the regime.

Mandiant and GTIG detail exploitation of a BeyondTrust Remote Support zero-day by Chinese nexus espionage actor ARMORY CASTLE (formerly UNC5221).

Citizen Lab documents how Discover Tech repurposed the ad-tech supply chain to deliver commercial spyware to specific targets via programmatic advertising infrastructure.

More this week (19)

Techniques and Write-ups

Full guest-to-host escape via KVM. The most-shared link this week across security Twitter, with 21 independent mentions.

Calif.io demonstrated a full untethered jailbreak on iPhone 18 Pro running iOS 27.0.1 at Hexacon. Persists across reboots.

Doyensec research on achieving code execution inside Windows Isolated User Mode, bypassing one of the platform’s strongest trust boundaries.

Detailed technical breakdown of a Chrome full-chain exploit developed by XBOW. From initial renderer bug to sandbox escape to code execution in six days.

Walkthrough of building a C# custom PowerShell runspace that sidesteps AMSI and ETW telemetry without the usual suspicious API calls.

Six vulnerabilities in Linux kernel core subsystems spanning server LPE, container escape, and Android root from untrusted_app on Galaxy S26 Ultra.

Calif.io found and exploited a kernel vulnerability that has been hiding in OpenBSD since 1989. Full writeup from initial discovery to reliable exploitation.

1,285 reports, $242K in bounties, one Linux kernel zero-day discovered via host network packet parsing. No customer data compromise reported.

Synacktiv’s second interactionless Tesla exploit chain. VCSEC takeover via TPMS gives direct CAN bus access and the potential for kinetic effects.

Quentin Kaiser demonstrates how a single parser implementation yields two distinct exploitable bugs. Clean walkthrough of the analysis process.

More this week (176)

Tools and Exploits

Fox-IT published a large corpus of real-world Cobalt Strike Beacon samples for detection research and signature development.

Automated offensive development pipeline with CI/CD-driven payload compilation, obfuscation, and EDR evasion testing on the Ludus platform.

New hashcat feature lets you compose arbitrary hash algorithms as recipes, e.g. md4(utf16le(pass)) or hex(xor(md5_bin(pass), md5_bin(salt))).

Automated weekly aggregation of 0-day and N-day exploit releases across public sources. Community contributions welcome.

Curated collection of Beacon Object Files for post-exploitation: credential hunting, system enumeration, event log analysis, and privilege management.

Self-hosted, open-source device management for Linux. Your server, your devices. First release (v0.1.0).

Query radare2 databases with SQL, compatible with the xSQL family (IDASQL, GhidraSQL, Binary Ninja SQL). Makes r2 databases AI-agent-friendly.

C2 framework with a built-in MCP interface. Connect Claude Code, Cursor, or Codex to the teamserver to enumerate targets, author modules, and adapt in real time.

Read-only PowerShell auditor for Active Directory and Entra ID. Collect once, analyze offline with deterministic findings, attack path mapping, and compliance reports.

MCP server that drives real Chrome instances to bypass Cloudflare challenges and bot checks for automated security testing workflows.

More this week (11)