All KEV additions

CISA KEV digest

CISA KEV 27 Aug 2026: 3 exploited flaws in ownCloud, Linux, JFrog

3 vulnerabilities
Conceptual illustration: A balanced still life of router, workstation, browser panel and software package cube unified by a protective patch shield. Headline: MULTI-VENDOR SECURITY UPDATE.

AI-generated illustration by CyberShitty. Not a photograph or a document from the organisations named.

On 27 August 2026, CISA added 3 actively exploited vulnerabilities affecting ownCloud, Linux, JFrog to its Known Exploited Vulnerabilities catalog. If you run any of these products, patch or mitigate now — exploitation is already happening.

CVE-2023-49105Federal deadline

In this section

ownCloud Improper Authentication Vulnerability

ownCloud / ownCloud / CWE-287

ownCloud contains an improper authentication vulnerability that allows an attacker to access, modify, or delete any file without authentication if the username of a victim is known, and the victim has no signing-key configured.

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-2026-53362Federal deadline

Linux Kernel Unspecified Vulnerability

Linux / Kernel

Linux Kernel contains an unspecified vulnerability that can allow for privilege escalation via IPv6 networking subsystem. This vulnerability can impact multiple products, including but not limited to Suse, Red Hat, and other products using Linux.

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-2026-66384Federal deadline

JFrog Artifactory Improper Limitation of a Pathname to a Restricted Directory Vulnerability

JFrog / Artifactory / CWE-22

JFrog Artifactory contains an improper limitation of a pathname to a restricted directory vulnerability. This can allow an authenticated user to write data outside the intended Docker cache path under specific remote-repository conditions.

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.