CVE-2023-48951: openlink virtuoso-opensource · Uncontrolled Resource Consumption
Source CVE Database V5
Not known to be exploited · CVSS 8.8 High.
Data as of 26 Oct 2026, 10:12 UTC
- EPSS
- 0.7% chance of exploitation in 30 days – higher than 56% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 29 Nov 2023
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
GitHubopenlink/virtuoso-opensourcepkg:github/openlink/virtuoso-opensourceOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Organizations should immediately audit their environments to identify any deployments of Virtuoso Open Source, particularly version 7.2.11. Since no official patches are currently linked, mitigation should focus on limiting exposure: restrict network access to Virtuoso services to trusted IPs, implement Web Application Firewalls (WAFs) with rules to detect and block suspicious SELECT queries, and monitor logs for unusual query patterns indicative of exploitation attempts. Additionally, consider disabling or restricting the use of the box_equal function if feasible or applying input validation and query throttling to prevent resource exhaustion. Organizations should subscribe to vendor advisories and CVE databases to apply patches promptly once available. Implementing robust incident response plans to quickly detect and respond to DoS conditions will also reduce potential downtime. Finally, educating developers and database administrators about this vulnerability will help in early detection and prevention.
Description
An issue in the box_equal function in openlink virtuoso-opensource v7.2.11 allows attackers to cause a Denial of Service (DoS) after running a SELECT statement.