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Infosec · Friday, 29 May 2026 · Issue 4 · 11 stories

Kopia RCE, Gogs Zero‑Day, FBI $20.9B Loss

Vulnerabilities & Exploits

Kopia Backup suffers critical unauthenticated RCE through SSH ProxyCommand injection (CVE‑2026‑45695)

Researchers discovered CVE‑2026‑45695, a critical 9.8‑scored flaw in Kopia’s /api/v1/repo/exists endpoint that forwards SFTP settings directly to the SSH binary, enabling unauthenticated remote code execution via ProxyCommand injection. The bug affects Kopia versions ≤0.22.3 when run without password protection on network‑exposed interfaces. Updating to 0.23.0 or restricting the server to localhost mitigates the risk.

orca.security ↗2 min read at source

Threats & Malware

GCHQ warns Russia's daily hybrid attacks span undersea cables to cyberspace

GCHQ director Anne Keast‑Butler warned that Russia is launching daily hybrid attacks against the UK and Europe, targeting everything from undersea cables to cyber networks. The agency is bolstering subsea cable defenses, disrupting Russian sanction‑evasion infrastructure and countering sabotage, urging businesses and governments to treat cybersecurity with ten‑fold urgency.

therecord.media ↗4 min read at source

Research & Tools

Datadog launches Pathfinding Labs: 100+ vulnerable AWS environments for cloud security practice

Pathfinding Labs is a collection of over 100 intentionally vulnerable AWS environments, deployable via Terraform and managed through a Go CLI, enabling red and blue teams to practice privilege escalation and CSPM misconfigurations. It builds on the pathfinding.cloud catalog, provides CTF‑style hints and automated exploit scripts, and helps validate detections and improve cloud security tooling.

Prempti adds Falco-based guardrails to AI coding agents

Prempti is an open‑source tool that intercepts every tool call (shell commands, file ops, web fetches, etc.) made by AI coding agents and evaluates them against configurable Falco rules, returning allow, deny, or ask verdicts. It offers real‑time visibility, audit logs, and guardrail or monitor modes, helping developers enforce security policies for AI‑driven code generation.

github.com ↗12 min read at source

You’re caught up.

That was all 11 stories in the 29 May issue.