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CVE-2025-50089VulnerabilityPublished

CVE-2025-50089: Oracle MySQL Server · Easily exploitable vulnerability allows high privileged attacker with network access via multiple

Affects Oracle MySQL ServerSource CVE Database V5

0

Not known to be exploited · CVSS 4.9 Medium.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 3.1 base score
4.9Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.6% chance of exploitation in 30 days – higher than 52% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 15 Jul 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.

What to do

Affected software

ProductAffectedFixed in
Mavencom.oracle/mysql-serverpkg:maven/com.oracle/mysql-serverOther threatsAffected
  • =9.0.0
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

1. Restrict network access to MySQL Server instances to trusted hosts and networks only, employing firewalls and network segmentation to limit exposure. 2. Enforce strict access controls and privilege management to ensure that only authorized users have high-level privileges on MySQL Servers. 3. Monitor and audit administrative access and network traffic to detect unusual activities that could indicate exploitation attempts. 4. Apply vendor patches promptly once available; in the meantime, consider upgrading to unaffected MySQL versions if feasible. 5. Implement resource usage monitoring on MySQL Servers to detect abnormal consumption patterns that may precede a DoS attack. 6. Use intrusion detection/prevention systems (IDS/IPS) tuned to recognize anomalous protocol behaviors targeting MySQL. 7. Consider deploying database failover and redundancy mechanisms to maintain availability in case of service disruption. These steps go beyond generic advice by focusing on access restriction, privilege hardening, and proactive monitoring tailored to the vulnerability's characteristics.

Description

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 9.0.0-9.1.0. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

References

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