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Zero-days under active attack, explained in plain English

On CISA’s exploited listJFrog ArtifactoryDeveloper, data & AI tools

JFrog Artifactory Incorrect Authorization Vulnerability

What it is
JFrog Artifactory contains an incorrect authorization vulnerability that leads to a privilege escalation attack due to a validation check of the token signature/issuer and not the token’s scope.
Who's affected
Anyone using JFrog Artifactory.
Under attack?
Yes. CISA added this to its catalog of actively exploited vulnerabilities on Sep 11, 2026.
What to do
Install the vendor's security update. If there isn't one yet, apply the vendor's workaround, or stop using the product until it's fixed. CISA lists this as actively exploited, so treat it as urgent.
Fixed in
See the vendor's advisory
CISA deadline
Federal agencies must fix this by Sep 25, 2026. Everyone else should treat that as a ceiling, not a target.
CISA's instruction
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-2026-42016Chance of attack in 30 days: 9% (EPSS)Listed Sep 11, 2026Source: CISA catalog ↗
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