CVE-2026-89089: The OpenNMS Group Meridian · SQL Injection
Affects The OpenNMS Group MeridianSource CVE Database V5
Not known to be exploited · CVSS 6.5 Medium : upgrade to 2025.0.10 or 2024.3.13 when convenient.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 30% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 2025.0.10, 2024.3.13, 36.0.4
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 10 Sep 2026
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 2026-10-25.
What to do
Upgrade Meridian to 2025.0.10 or 2024.3.13; Horizon to 36.0.4.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| The OpenNMS GroupMeridian | Affected
| Fixed in
|
| The OpenNMS GroupHorizon | Affected
| Fixed in
|
GitHubMeridianpkg:github/MeridianOther threats | Affected
| Fixed in
|
GitHubHorizonpkg:github/HorizonOther 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
A fix is available by upgrading to Meridian 2024.3.13, 2025.0.10, or Horizon 36.0.4 or later. Organizations should apply these official updates to remediate the vulnerability. Since the products are intended for deployment within private networks and not for direct Internet exposure, ensuring proper network segmentation and access controls can reduce exposure risk. No additional mitigations are specified by the vendor advisory.
Description
A SQL injection vulnerability (CWE-89) exists in the JasperReports-based reporting feature of OpenNMS Meridian and Horizon. A low-privileged authenticated user can exploit this by supplying a crafted DATE_FORMAT parameter to certain default-enabled reports via the reporting REST API, leading to arbitrary SQL execution and unauthorized data access. The vulnerability affects specific versions of Meridian and Horizon prior to fixed releases. Upgrading to Meridian 2024.3.13, 2025.0.10 or Horizon 36.0.4 or newer mitigates the issue. These products are intended for private network deployment and not direct Internet exposure.