Auth bypass in Openremote
CVE-2026-73616
OpenRemote notification deletion endpoints fail to enforce realm boundaries, allowing any realm administrator to delete notifications belonging to other realms. Attackers with write:admin role in one realm can send DELETE requests to remove notifications from the master realm or other tenants without authorization checks.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.002 (11.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 11.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
Weakness classification (CWE)
References
- github.com/openremote/openremote/security/advisories/GHSA-rc23-4mmm-4fx9 (vendor-advisory)
- www.vulncheck.com/advisories/openremote-notification-delete-cross-realm-insecur… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-73616?
- CVE-2026-73616 is a medium-severity vulnerability in Openremote, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-08-13.
- How severe is CVE-2026-73616?
- Medium severity. CVSS v3 base score is 6.5 out of 10.