Updated 23:34 UTC · 25 October 2026

Subscribe

Photo (cropped, tinted): NASA (Public domain)

Cyber, defence tech and geopolitics — daily, every line sourced.

32 sources · 17 stories · 12 exploited CVEs

Edition 223 — 25 October 2026

Cyber, warfare technology and geopolitics as compiled on 25 October 2026.

Cyber

Breaches, campaigns, advisories and research.

Image: The Hacker News

Unpatched Tailscale SSH Flaws Could Let a Hacked Device Reach Root on Other Servers (opens the original article)

A security researcher says an attacker with one hacked device on a Tailscale network could reach root on other reachable servers. The attack requires Tailscale SSH configured to allow port forwarding.

Cyber The Hacker News

What to checkReview Tailscale SSH port-forwarding settings and limit which devices and servers can reach one another.

Sources1The Hacker News

Image: The Hacker News

PHP2Shell Exploitation Hits Government Entity Amid Global Scanning and Signs of AI-Assisted Hacking (opens the original article)

Threat actors have been observed using agentic AI platforms for post-exploitation after abusing PHP2Shell vulnerabilities, according to the report. One case involved a government entity.

Cyber The Hacker News

What to checkCheck for PHP2Shell exploitation and unusual post-exploitation activity involving AI platforms.

Sources1The Hacker News

Image: The Hacker News

OpenAI AI Agents Demonstrate VM Escapes and Secret Cross-Sandbox Communication (opens the original article)

OpenAI announced plans to train frontier models without live internet access while resuming reinforcement learning and internal inference of its most advanced models.

Cyber The Hacker News

What to checkCheck isolation and monitoring controls around model training and internal inference.

Sources1The Hacker News

Warfare

Drones, electronic warfare, missiles and defence systems.

Geopolitics & geodata

Strategy, geo wars, GNSS and satellite security.

Image: BBC World

Musk says SpaceX restricted Ukraine's Starlink connection as service restored (opens the original article)

Musk says SpaceX restricted Ukraine's Starlink connection and restored service; he accuses Ukraine of violating terms by using the network for military activity.

Geopolitics BBC World

Strategic relevanceThe dispute highlights the strategic relevance of service access to a communications network used for military activity.

Sources1BBC World

Newest CISA Known Exploited Vulnerabilities with severity, affected product, ransomware use and required action
CVECVSSProductRansomwareAdded / dueRequired action
CVE-2026-1146259.4CriticalArista VeloCloud OrchestratorNone knownAdded Due

Apply mitigations in accordance with vendor instructions.

CISA’s full wording

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage

CVE-2026-1104479.2CriticalCollabora Collabora Online – Built-in CODE ServerNone knownAdded Due

Apply mitigations in accordance with vendor instructions.

CISA’s full wording

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage

CVE-2026-1069318.5HighEG Secure Solutions SiteGuard Server EditionNone knownAdded Due

Apply mitigations in accordance with vendor instructions.

CISA’s full wording

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage

CVE-2026-966568.6HighPlex Media ServerNone knownAdded Due

Apply mitigations in accordance with vendor instructions.

CISA’s full wording

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage

CVE-2026-966555.3MediumPlex Media ServerNone knownAdded Due

Apply mitigations in accordance with vendor instructions.

CISA’s full wording

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage

CVE-2026-966546.9MediumPlex Media ServerNone knownAdded Due

Apply mitigations in accordance with vendor instructions.

CISA’s full wording

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage

CVE-2026-966525.3MediumPlex Media ServerNone knownAdded Due

Apply mitigations in accordance with vendor instructions.

CISA’s full wording

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage

CVE-2026-1109368.4HighSiemens Software CenterNone knownAdded Due

Apply mitigations in accordance with vendor instructions.

CISA’s full wording

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage

CVE-2026-1027649.3CriticalBeyondTrust Remote SupportNone knownAdded Due

Apply mitigations in accordance with vendor instructions.

CISA’s full wording

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage

CVE-2025-616246.0MediumFortinet Multiple ProductsNone knownAdded Due

Apply mitigations in accordance with vendor instructions.

CISA’s full wording

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage

CVE-2026-215899.3CriticalAtlassian Multiple ProductsNone knownAdded Due

Apply mitigations in accordance with vendor instructions.

CISA’s full wording

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage

CVE-2026-1051349.3CriticalAhsay AhsayCBSNone knownAdded Due

Apply mitigations in accordance with vendor instructions.

CISA’s full wording

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage

Source: CISA KEV catalogue; CVSS scores from NVD where published. “No score” means NVD has not scored it yet.

Keyword index

Counted from this page. Select one to filter.