CVE Watchtower

CVE-2026-42018Jfrog Artifactory Improper Authentication

NVDCVSS scored by reefs@jfrog.com

Vulnerability Summary

JFrog Artifactory could return an internal anonymous-user token to an unauthenticated caller when anonymous access is disabled, potentially exposing sensitive resources.
Severity Level
HIGH(7.5)
Published Date
Aug 12, 2026
Last Modified
Oct 23, 2026
PoC
Available(Nuclei)
Exploitation Status
ACTIVE
EPSS Score (30-Day)
9.98%Probability
Root Weakness (CWE)
When an actor claims to have a given identity, the software does not prove or insufficiently proves that the claim is correct.
CVSS v3.1 Base Metrics — Score 7.5 (HIGH)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityNone
AvailabilityNone

Affected & Patched Versions

Affected Versions
  • Jfrog Artifactory < 7.111.20
  • Jfrog Artifactory >= 7.117.0 and < 7.117.27
  • Jfrog Artifactory >= 7.125.0 and < 7.125.19
  • Jfrog Artifactory >= 7.133.0 and < 7.133.28
  • Jfrog Artifactory >= 7.146.0 and < 7.146.8
Patched Versions
  • Jfrog Artifactory 7.111.20
  • Jfrog Artifactory 7.117.27
  • Jfrog Artifactory 7.125.19
  • Jfrog Artifactory 7.133.28
  • Jfrog Artifactory 7.146.8

What to do

Patch now. CISA lists this flaw as exploited in the wild and set a federal remediation deadline of Sep 25, 2026.

  1. Check whether you run Jfrog Artifactory and which version.
  2. Update to a patched version listed above, then confirm the new version.
  3. Review logs and exposed services for signs of earlier compromise.

CISA 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.

CISA KEV Status

Listed in Known Exploited Vulnerabilities
Added: Sep 11, 2026
Remediation due: Sep 25, 2026 (deadline passed)

Timeline

  • Aug 12, 2026Published
  • Sep 11, 2026Added to CISA KEV catalog
  • Sep 25, 2026KEV remediation due date
  • Oct 23, 2026Record last modified

Score, severity and exploitation changes are tracked from the day Watchtower started logging them.

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Data last checked: Nov 13, 2026 21:28 UTC