The OpenNMS Group
The OpenNMS Group Security Releases - October 2026
the-opennms-group-2026-10 Oct 1, 2026 Source: Vendor
The OpenNMS Group security advisories for October 2026, compiled from CVE.org records.
Source of record
The credited names below are quoted verbatim from the vendor's own advisory:
https://www.cve.org/CVERecord?id=CVE-2026-111235
Are you credited here? Sign in to claim your line. It is yours immediately, with no review queue. The name the vendor printed stays next to your handle for anyone to check against the advisory above, and any member who thinks a claim is wrong can refute it.
Credited
2 lines
Showing 1–2 of 2 matching , clear filters
CVE-2026-111235
BR2026-0000-032792
Meridian, Horizon
unclaimed
An authorization bypass vulnerability exists in the REST API of multiple versions of OpenNMS Meridian and Horizon. The /rest/** Spring Security filter chains authorize requests with intercept-url r...
Credited as Pongsathon Sirithanyakul, Warunyou Sunpachit, Khamolwan Hnunainam (IT Select Lab Co., Ltd., Thailand)
CVE-2026-111252
BR2026-0000-032857
Meridian, Horizon
unclaimed
A denial of service vulnerability exists in the XML parsing of multiple versions of OpenNMS Meridian and Horizon. OpenNMS parsed XML without an effective limit on entity expansion. A document with ...
Credited as kta1kri