7.5

CVE-2026-46863: oracle corporation mysql cluster Uncontrolled Resource Consumption

CVSS: 7.5v3.1HighAnalyzed
AliasesUBUNTU-CVE-2026-46863
Published 16-06-2026Last modified 17-06-2026
Open JSON

Vulnerability summary

CVE-2026-46863 is a high (CVSS 7.5) Uncontrolled Resource Consumption vulnerability in oracle corporation mysql cluster. EPSS estimates a 0.47% chance of exploitation in the next 30 days, higher than 39.3% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.47%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 2
USN-8457-1USN-8457-2

Timeline

  1. 16-06-2026
    PublishedVulnerability first disclosed.
  2. 17-06-2026
    Last modifiedVulnerability information updated.

Description

Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Connection Handling). Supported versions that are affected are MySQL Server: 8.4.0-8.4.9, 9.0.0-9.7.0; MySQL Cluster: 8.0.11-8.0.46, 8.4.0-8.4.9 and 9.0.0-9.7.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.47%

Chance of exploitation in the next 30 days

Percentile

39%

Versus all other CVEs

30-day change

0.00 pp

From 0.47% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.47%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu8 products
  • mariadbAll versions (No fix recorded)
  • mariadb-10.3All versions (No fix recorded)
  • mysql-5.5All versions (No fix recorded)
  • mysql-5.7All versions (No fix recorded)
  • mysql-8.0< 8.0.46-0ubuntu0.20.04.1+esm3 | < 8.0.46-0ubuntu0.22.04.3 | < 8.0.46-0ubuntu0.24.04.3
Oracle2 products
  • mysql_cluster≥ 8.0.11, ≤ 8.0.46 | ≥ 8.4.0, ≤ 8.4.9 | ≥ 9.0.0, ≤ 9.7.0
  • mysql_server≥ 8.4.0, ≤ 8.4.9 | ≥ 9.0.0, ≤ 9.7.0
Oracle corporation2 products

3 vendors · 12 products

References

5 links