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Microsoft Slams Public Zero-Day Disclosures Amid GitHub Researcher Account Removal
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GitLab CVE-2026-19478 Comes Under Active Exploitation Within Days of Disclosure
Unauthenticated attackers are actively exploiting GitLab CVE-2026-19478 (CVSS 9.4) to modify or delete public projects days after disclosure.
GitLab CVE-2026-19478, a CVSS 9.4 code injection flaw exploitable via a GraphQL directive without authentication, allows attackers to modify or delete publicly accessible projects, rewrite repository data, forge merge records, and ban maintainers. Affected versions include GitLab CE/EE 18.2 before 18.11.11, 19.0 before 19.0.8, 19.1 before 19.1.6, and 19.2 before 19.2.4. watchTowr reproduced the flaw within minutes of disclosure and observed in-the-wild exploitation against its honeypot network. Fixes shipped in 19.2.4, 19.1.6, 19.0.8, and 18.11.11; interim mitigations include restricting unauthenticated access to /api/graphql or removing public repository access.
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Microsoft Condemns
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63 New Flaws (Including 0
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Attackers Exploit Critical JFrog Artifactory Flaw to Mint Admin Tokens Days After Disclosure
Threat actors exploit CVE-2026-82329, a default-config authentication bypass in JFrog Artifactory, to mint administrator tokens days after patch release.
watchTowr reports that CVE-2026-82329 (CVSS 9.8), an authentication bypass in JFrog Artifactory patched in version 7.161.20 on August 28, 2026, is being actively exploited as of September 1. The flaw, in JFrog Access, lets unauthenticated attackers abuse a 'phantom' join key on default configurations to forge access and mint administrator-level credentials. Observed activity includes admin token generation, user, group, and token enumeration, and backdoor user creation in limited cases, raising supply chain poisoning and lateral movement risks for the widely used artifact repository.
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Attackers Pounce on Critical Artifactory Bug Following Disclosure
Attackers began exploiting CVE-2026-82329, a critical authentication bypass in JFrog Artifactory, shortly after disclosure, gaining admin-level access on affected systems.
CVE-2026-82329 is a critical authentication bypass in JFrog's Artifactory repository manager that enables attackers to gain admin-level access on affected systems. Exploitation started soon after the flaw's disclosure. Artifactory is widely used to manage software artifacts, making compromised instances a software supply chain risk.
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vCenter Flaw Exploited Just Five Days After Disclosure
Attackers began exploiting critical vCenter flaw CVE-2026-59310 five days after Broadcom's disclosure, putting enterprise VMware deployments at risk.
Attackers exploited a critical-severity flaw in VMware vCenter, tracked as CVE-2026-59310, just five days after Broadcom disclosed it. vCenter is the management platform for large enterprise VMware virtualization estates, so active exploitation exposes a broad installed base. Defenders running vCenter should prioritize applying Broadcom's patch.
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Adobe Commerce CVE-2026-71362 Comes Under Attack Shortly After Public Disclosure
Attackers began exploiting critical Adobe Commerce flaw CVE-2026-71362 (CVSS 9.1) for unauthenticated customer account takeover shortly after patch release.
Sansec blocked the first exploitation attempts of CVE-2026-71362 immediately after Adobe published its advisory. The flaw lets unauthenticated attackers switch a customer session to another customer account, hijacking accounts and accessing private data without credentials, admin privileges or user interaction. It affects Adobe Commerce, Commerce B2B and Magento Open Source versions through the July 2026 patches, and Adobe issued isolated patch files APSB26-92 fixing seven vulnerabilities, including stored cross-site scripting and authorization issues.
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ShieldBreak: New Windows Zero-Day Bypasses Microsoft’s RoguePlanet Patch
Researcher Chaotic Eclipse published a PoC bypassing Microsoft's CVE-2026-50656 Defender patch, enabling SYSTEM-level code execution on fully patched Windows systems.
Security researcher Chaotic Eclipse released a proof-of-concept for ShieldBreak, a Microsoft Defender zero-day that fully bypasses the patch for CVE-2026-50656 (RoguePlanet), a race condition in the Malware Protection Engine (mpengine.dll) allowing SYSTEM-level code execution. The PoC was tested on Windows 11 25H2 and Windows Server 2025 with a 100% success rate, and Windows 10 is also vulnerable though not supported by the PoC; the flaw may also leak 8 bytes of memory. Microsoft's MSRC had criticized the researcher's repeated uncoordinated disclosures, including YellowKey (BitLocker bypass), GreenPlasma, and LegacyHive (User Profile Service LPE).
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Researcher Explains Release of Undisclosed Zero
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CISA Warns of CrushFTP Vulnerability Exploitation in the Wild
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