CVE-2025-61029Public exploitNetwork attack vector

Server crash via nested CHECK subqueries

Published Jun 23, 2026 · Updated Jun 23, 2026

Denial of service in sqlo_untry in OpenLink Virtuoso Open Source 7.2.11 allows remote attackers to crash the server with crafted SQL. During compilation of a CREATE TABLE statement containing deeply nested CHECK subqueries, sqlo_untry crashes instead of rejecting the invalid expression. Any network path that accepts unauthenticated SQL can reach the compiler flaw, and a successful trigger interrupts the database service.

CVSS severity7.5
High
EPSS probability0.50%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Denial of service in sqlo_untry in OpenLink Virtuoso Open Source 7.2.11 allows remote attackers to crash the server with crafted SQL. During compilation of a CREATE TABLE statement containing deeply nested CHECK subqueries, sqlo_untry crashes instead of rejecting the invalid expression. Any network path that accepts unauthenticated SQL can reach the compiler flaw, and a successful trigger interrupts the database service.

The record

CVE
CVE-2025-61029
Published
Jun 23, 2026
Updated
Jun 23, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-89, T1499.004
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 23, 2026CVE publishedPublication date reported by the CVE source.
  2. Jun 23, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

7.5CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
T1499.004Application or System Exploitation

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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