Cyber Brief

Cyber Brief · Jul 6 · 8 stories

Monday, July 6, 2026 · sent to 1 subscribers

News · The Hacker News · Jul 6

Threat Actors Probe Gitea Docker Flaw CVE-2026-20896 13 Days After Disclosure

Threat actors have been observed attempting to exploit a recently patched critical security flaw in Gitea Docker images, according to Sysdig. The vulnerability in question is CVE-2026-20896 (CVSS score: 9.8), a vulnerability that stems from the DevOps platform trusting the "X-WEBAUTH-USER" header …

News · BleepingComputer · Jul 2

CISA: Microsoft SharePoint RCE flaw now actively exploited

CISA warned on Wednesday that attackers have begun exploiting a high-severity Microsoft SharePoint remote code execution vulnerability patched in May. [...]

News · The Hacker News · Jun 30

Attackers Exploit SimpleHelp CVE-2026-48558 to Deploy TaskWeaver and Djinn Stealer

An unknown threat actor has been observed exploiting a recently disclosed maximum-severity security flaw in SimpleHelp to deliver two previously unreported malware families, TaskWeaver and Djinn Stealer. The intrusion involves the exploitation of CVE-2026-48558 (CVSS score: 10.0), a critical authe…

News · BleepingComputer · Jun 30

CISA: Windows BlueHammer flaw now exploited by ransomware gangs

CISA confirmed on Monday that ransomware gangs are now exploiting a Microsoft Defender privilege escalation vulnerability, dubbed BlueHammer, that has previously been abused in zero-day attacks. [...]

News · Help Net Security · Jun 30

SimpleHelp vulnerability exploited to deliver mighty Djinn Stealer (CVE-2026-48558)

Attackers are exploiting CVE-2026-48558, a recently patched authentication bypass vulnerability in SimpleHelp RMM, to drop the novel Djinn Stealer malware on victim computers. The malware is capable of targeting Windows, macOS, and Linux systems, and “collects credentials associated with clou…

Advisories · CISA · Jun 30

Frangoteam FUXA SCADA/HMI

View CSAF Summary Successful exploitation of this vulnerability could allow an unauthenticated remote attacker to enumerate all user accounts and role assignments on a FUXA SCADA/HMI instance. The following versions of Frangoteam FUXA SCADA/HMI are affected: FUXA SCADA/HMI <=1.3.1 (CVE-2026-132…

Advisories · CISA · Jul 2

CubeSpace CW0057 Reaction Wheel

View CSAF Summary Successful exploitation of this vulnerability could allow an attacker to upload arbitrary malicious firmware to the device. The following versions of CubeSpace CW0057 Reaction Wheel are affected: CW0057 Reaction Wheel CVSS Vendor Equipment Vulnerabilities v3 6.1 CubeSpac…

News · SecurityWeek · Jul 2

CISA Warns of Actively Exploited Microsoft SharePoint Vulnerability

CISA says threat actors are exploiting a recently patched SharePoint remote code execution vulnerability (CVE-2026-45659). The post CISA Warns of Actively Exploited Microsoft SharePoint Vulnerability appeared first on SecurityWeek.