View Ridge Security
Back to Cyber Hose

CISA Flags Exploited TrueConf Server Flaws Used in Head Mare Attacks

Head Mare exploits TrueConf Server flaws to deploy backdoors, affecting organizations using vulnerable versions.

🚨 ACTIVE EXPLOITATION

  • CISA Flags Exploited TrueConf Server Flaws Used in Head Mare Attacks CVE-2026-72529 CVE-2026-72530
    Head Mare is exploiting unpatched TrueConf servers to deploy PhantomCore and PhantomGraph backdoors.
    • Organizations using TrueConf Server are affected, including external participants connecting to compromised servers.
    • TrueConf Server versions 5.3.X before 5.3.9, 5.4.X before 5.4.9, 5.5.X before 5.5.5, and earlier are vulnerable.
    • CVE-2026-72529 enables unauthenticated arbitrary script execution via TCP port 4307.
    • CVE-2026-72530 enables code injection and arbitrary host-code execution through a crafted script.
    • Attackers install a web shell, access the server database, and replace client installers with PhantomCore- or PhantomGraph-infected packages.
    Sources πŸ“„ Source: securelist.com Β· πŸ“Ž Coverage: securitymea.com Β· πŸ‘ via CISA KEV (+1)

πŸ’₯ BREACHES & INCIDENTS

  • TeamPCP LiteLLM attack exposes credentials from nearly 2,500 organizations
    A LiteLLM supply-chain attack exposed credentials from nearly 2,500 organizations.
    • Organizations using LiteLLM included NVIDIA, Microsoft, Amazon Web Services, Cisco, Salesforce, Samsung, and Siemens.
    • A 153GB archive contained 433,909 stolen files, including 118,829 CI/CD runner dumps linked to 2,488 corporate domains.
    • TeamPCP published malicious LiteLLM versions 1.82.7 and 1.82.8 to PyPI on March 24, 2026.
    • A poisoned Trivy dependency compromised LiteLLM’s build pipeline and exposed PyPI publishing tokens.
    • The malware harvested environment variables, cloud credentials, Kubernetes secrets, SSH keys, and AI provider API keys during a roughly 40-minute window.
    Sources πŸ“„ Source: hudsonrock.com Β· πŸ“Ž Coverage: arstechnica.com Β· πŸ‘ via @GossiTheDog@cyberplace.social

πŸ•΅οΈ RESEARCH & DEEP DIVES

  • Researcher registers Linux device to Apple Find My People
    A researcher accessed a consented Apple Find My location share from Linux.
    • Apple Find My users with existing accepted People location shares are affected.
    • A Linux machine received live coordinates, timestamps, and accuracy data intended for Apple devices.
    • The researcher used GrandSlam authentication, IDS certificates, and APNs registration to enroll Linux.
    • A SubscribeAndFetch request delivered the encrypted location key, which a script decrypted.
    Sources πŸ“„ Source: zerotistic.blog Β· πŸ“Ž Coverage: theregister.com Β· πŸ‘ via r/cybersecurity

πŸ“‹ ADVISORIES

  • N-able Passportal bug exposes password-vault master keys
    A bug in N-able’s Passportal password manager exposed vault master keys.

    • N-able Passportal users, including managed service providers and small businesses, are affected.
    • The vulnerability exposed password-vault master keys.
    • The cloud-based design leaves Passportal risky even after the bug was patched.
    Sources πŸ“Ž Coverage: darkreading.com Β· πŸ‘ via Dark Reading
  • πŸ“„ Source for Microsoft Defender’s BTR.sys Driver Can Disable EDR and Antivirus Protections β€” malware.news

πŸ”“ CVEs & KEV

  • Other: 21 CVEs (worst 9.8)

Need help assessing your exposure?

Start with the free Posture Self-Check to see where you stand against the current threat landscape.

Free Posture Self-Check