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Security Advisories

Disclosure bulletins

Dated advisories from research and client engagements — severity, affected products, technical root cause, and remediation guidance, published under coordinated disclosure.

96 advisories published

SH-2026-204CriticalOpen

ProFTPD CVE-2015-3306: Analyzing the Critical mod_copy Vulnerability

The ProFTPD improper access control vulnerability (CVE-2015-3306) allows unauthenticated remote attackers to write arbitrary files and execute code.

Oct 8, 2026CVSS 10.0
SH-2026-203CriticalOpen

CVE-2021-3199: Unauthenticated Remote Code Execution in ONLYOFFICE Docs

A critical path traversal flaw in ONLYOFFICE Docs (CVE-2021-3199) allows unauthenticated attackers to execute arbitrary code via JWT image upload params.

Oct 8, 2026CVSS 9.8
SH-2026-202MediumOpen

Strapi CVE-2023-22894: Query Filter Secrets Leak Enables RCE Chaining

Strapi CVE-2023-22894 exposes sensitive data via query filters, enabling attackers to chain it with CVE-2023-22621 for remote code execution.

Oct 8, 2026CVSS 4.9
SH-2026-201HighOpen

Apache Struts Command Injection Vulnerability (CVE-2016-3081): Technical Analysis

Apache Struts CVE-2016-3081 allows remote code execution via Dynamic Method Invocation. Learn how S2-032 works and how to secure legacy Struts apps.

Oct 8, 2026CVSS 8.1
SH-2026-200MediumOpen

Citrix NetScaler Flaw CVE-2026-88779 Exposes Edge Infrastructure to Denial of Service

Citrix NetScaler ADC and Gateway devices face a memory buffer vulnerability (CVE-2026-88779) that can trigger denial of service on edge appliances.

Oct 4, 2026
SH-2026-199CriticalOpen

Critical Zammad Session Fixation Vulnerability Enables Remote Code Execution…

A critical session fixation vulnerability in Zammad (CVE-2026-102489) enables unauthenticated remote code execution. Upgrade affected instances immediately.

Oct 2, 2026CVSS 9.8
SH-2026-198CriticalOpen

Escalating to Root: Analyzing the Critical Zammad Vulnerability (CVE-2026-102490)

CVE-2026-102490 allows attackers to escalate privileges from the local zammad user to root in Zammad helpdesk instances. Learn how to patch now.

Oct 2, 2026CVSS 9.8
SH-2026-197CriticalOpen

CVE-2026-104286: Critical Arbitrary File Write in Fortinet FortiMail

Fortinet FortiMail faces a critical path traversal flaw (CVE-2026-104286) allowing unauthenticated attackers to drop files via HTTP.

Oct 1, 2026CVSS 9.8
SH-2026-196CriticalOpen

CVE-2026-76504: Critical Pre-Auth Admin Access in Cisco Catalyst SD-WAN Manager

Cisco Catalyst SD-WAN Manager flaw CVE-2026-76504 allows unauthenticated attackers to gain admin access via URI hex encoding manipulation.

Oct 1, 2026CVSS 9.8
SH-2026-195HighOpen

Apple Patches CoreGraphics Out-of-Bounds Write Vulnerability (CVE-2026-86950)

Apple released updates for iOS, iPadOS, and macOS to fix CVE-2026-86950, a CoreGraphics out-of-bounds write allowing arbitrary code execution.

Oct 1, 2026CVSS 8.8