How severe is CVE-2026-42018?

CVE-2026-42018 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-42018 being actively exploited?

Yes. CVE-2026-42018 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2026-09-11, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2026-42018?

CVE-2026-42018 affects Jfrog Artifactory. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-42018?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

When was CVE-2026-42018 published?

CVE-2026-42018 was published on 2026-08-12 and last updated on 2026-09-12.

CVE-2026-42018

CVE-2026-42018 is a high-severity vulnerability in Jfrog Artifactory with a CVSS 3.x base score of 7.5. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2026-09-11). The underlying weakness is classified as CWE-287.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 11% (96th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2026-09-11)
Weakness: CWE-287
Affected product: Jfrog Artifactory
Published: 2026-08-12
Last modified: 2026-09-12

Description

JFrog Artifactory could return an internal anonymous-user token to an unauthenticated caller when anonymous access is disabled, potentially exposing sensitive resources.

Frequently asked questions

What is CVE-2026-42018?: JFrog Artifactory could return an internal anonymous-user token to an unauthenticated caller when anonymous access is disabled, potentially exposing sensitive resources.
How severe is CVE-2026-42018?: CVE-2026-42018 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-42018 being actively exploited?: Yes. CVE-2026-42018 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2026-09-11, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2026-42018?: CVE-2026-42018 affects Jfrog Artifactory. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-42018?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
When was CVE-2026-42018 published?: CVE-2026-42018 was published on 2026-08-12 and last updated on 2026-09-12.

References

Affected products (1)

cpe:2.3:a:jfrog:artifactory:*:*:*:*:*:-:*:*

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