GHSA-7mqr-33rv-p3mp: io.openremote:openremote-manager (CVE-2026-39842)

Expression Injection in OpenRemote

CVSS 10.0 CriticalCriticalEPSS 0.0094 · 61st percentile

Critical, because:

CVSS score 10.0: 9.0 or more.

Published by the GitHub Advisory Database at 14 Apr 2026, 22:31 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

Package	Ecosystem	Affected	Fixed in
io.openremote:openremote-manager	Maven	<1.22.0	1.22.0

Identifiers

GHSA-7mqr-33rv-p3mp · CVE-2026-39842

Weakness (CWE)

CWE-94 · CWE-917

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

The openremote-manager package before 1.22.0 has expression injection flaws in its rules engine. A user with the write:rules role, even without superuser rights, can submit JavaScript rules that run with unrestricted Java access, allowing arbitrary code execution on the server. Upgrade to 1.22.0 or later.

Written 3 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
10.0	Critical	3.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H	CNA (GitHub_M)

CISA KEV Not listed.
EPSS 0.0094, the 61st percentile, on 11 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

31 Oct 2026, 14:20 UTC First seen by agentprime
31 Oct 2026, 14:20 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.