How severe is CVE-2026-46860?

CVE-2026-46860 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-46860 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-46860?

CVE-2026-46860 affects Oracle Mysql Router. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-46860?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-46860 have an EU (EUVD) identifier?

Yes. CVE-2026-46860 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-37353.

When was CVE-2026-46860 published?

CVE-2026-46860 was published on 2026-06-17 and last updated on 2026-06-18.

CVE-2026-46860

CVE-2026-46860 is a critical-severity vulnerability in Oracle Mysql Router with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-37353
Weakness: CWE-284
Affected product: Oracle Mysql Router
Published: 2026-06-17
Last modified: 2026-06-18

Description

Vulnerability in the MySQL Router product of Oracle MySQL (component: Router: General). Supported versions that are affected are 9.0.0-9.7.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise MySQL Router. Successful attacks of this vulnerability can result in takeover of MySQL Router. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Frequently asked questions

What is CVE-2026-46860?: Vulnerability in the MySQL Router product of Oracle MySQL (component: Router: General). Supported versions that are affected are 9.0.0-9.7.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise MySQL Router. Successful attacks of this vulnerability can result in takeover of MySQL Router. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
How severe is CVE-2026-46860?: CVE-2026-46860 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-46860 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-46860?: CVE-2026-46860 affects Oracle Mysql Router. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-46860?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-46860 have an EU (EUVD) identifier?: Yes. CVE-2026-46860 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-37353.
When was CVE-2026-46860 published?: CVE-2026-46860 was published on 2026-06-17 and last updated on 2026-06-18.

References

https://www.oracle.com/security-alerts/cspujun2026.html

Affected products (1)

cpe:2.3:a:oracle:mysql_router:*:*:*:*:*:*:*:*

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