On October 8, 2026, CISA added 5 vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog: CVE-2015-5477, CVE-2016-3081, CVE-2023-22894, CVE-2021-3199, CVE-2015-3306. A KEV listing means CISA has evidence of active exploitation. CISA sets a remediation due date for US federal civilian agencies under its binding operational directives; any organization running the affected products should treat these as patch-now priorities.
CVE-2015-5477: ISC BIND Data Processing Errors Vulnerability
ISC · BIND
ISC BIND contains a data processing errors vulnerability that could allow remote attackers to cause a denial of service via TKEY queries.
Federal due date
2026-10-11
Ransomware use
Unknown
Added
2026-10-08
Required action: 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 Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Apache Struts contains a command injection vulnerability that could allow remote attackers to execute arbitrary code via method:prefix when Dynamic Method Invocation is enabled.
Federal due date
2026-10-11
Ransomware use
Unknown
Added
2026-10-08
Required action: 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 Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
CVE-2023-22894: Strapi Cleartext Storage of Sensitive Information Vulnerability
Strapi · Strapi
Strapi contains a cleartext storage of sensitive information vulnerability that could allow attackers with access to the admin panel to discover sensitive user details via the query filter. The impacted product(s) could be end-of-life (EoL) and/or end-of-service (EoS). Users are advised to discontinue use and/or transition to a supported version. This vulnerability can be chained with CVE-2023-22621 to achieve remote code execution.
Federal due date
2026-10-11
Ransomware use
Unknown
Added
2026-10-08
Required action: 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 Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
CVE-2021-3199: ONLYOFFICE Docs Server Path Traversal Vulnerability
ONLYOFFICE · Docs
ONLYOFFICE Docs contains a path traversal vulnerability that can occur when JWT is used, via a /.. sequence in an image upload parameter and could allow for remote code execution.
Federal due date
2026-10-11
Ransomware use
Unknown
Added
2026-10-08
Required action: 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 Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
CVE-2015-3306: ProFTPD Improper Access Control Vulnerability
ProFTPD · ProFTPD
ProFTPD contains an improper access control vulnerability that could allow remote attackers to read and write to arbitrary files via the site cpfr and site cpto commands.
Federal due date
2026-10-11
Ransomware use
Unknown
Added
2026-10-08
Required action: 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 Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
October 30, 2026: CVE-2026-118527, Ivanti Connect Secure (Ivanti Connect Secure Generation of Predictable Numbers or Identifiers Vulnerabi)
October 30, 2026: CVE-2026-111357, Ivanti Connect Secure (Ivanti Connect Secure Missing Authentication for Critical Function Vulnerability)
October 29, 2026: CVE-2026-97229, GitLab Community Edition and Enterprise Edition (GitLab Community Edition and Enterprise Edition Integer Overflow or Wraparound V)
October 29, 2026: CVE-2026-76418, Cisco Secure Firewall ASA Software and Cisco Secure FTD Software (Cisco Secure Firewall ASA Software and Cisco Secure FTD Software Unchecked Retur)
October 28, 2026: CVE-2026-46300, Linux Kernel (Linux Kernel Missing Initialization of a Variable Vulnerability)
October 23, 2026: CVE-2026-110447, Collabora Collabora Online – Built-in CODE Server (Collabora Online – Built-in CODE Server OS Command Injection Vulnerability)
October 20, 2026: CVE-2026-96656, Plex Media Server (Plex Media Server External Control of File Name or Path Vulnerability)
October 20, 2026: CVE-2026-96655, Plex Media Server (Plex Media Server Server-Side Request Forgery (SSRF) Vulnerability)
October 20, 2026: CVE-2026-96654, Plex Media Server (Plex Media Server Improper Neutralization of Encoded URI Schemes in a Web Page V)
October 20, 2026: CVE-2026-96652, Plex Media Server (Plex Media Server Server-Side Request Forgery (SSRF) Vulnerability)
October 20, 2026: CVE-2026-110936, Siemens Software Center (Siemens Software Center Uncontrolled Search Path Element Vulnerability)
October 20, 2026: CVE-2026-106931, EG Secure Solutions SiteGuard Server Edition (EG Secure Solutions SiteGuard Server Edition OS Command Injection Vulnerability)
October 16, 2026: CVE-2026-102764, BeyondTrust Remote Support (BeyondTrust Remote Support Authentication Bypass by Spoofing Vulnerability)