RCE in Reduxjs Redux-Devtools
CVE-2026-117526
A vulnerability was found in reduxjs redux-devtools 5.0.0. Affected by this vulnerability is the function evalAction of the component Remotedev Server. The manipulation of the argument action results in code injection. The attack is only possible with local access. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.
Published .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Reduxjs Redux-Devtools — versions 5.0.0
Weakness classification (CWE)
References
- vuldb.com/vuln/427087 (technical-description, vdb-entry)
- vuldb.com/vuln/427087/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-117526 (third-party-advisory)
- vuldb.com/submit/1025061 (third-party-advisory)
- github.com/reduxjs/redux-devtools/issues/2125 (issue-tracking, exploit)
- github.com/reduxjs/redux-devtools/ (product)
Frequently asked questions
- What is CVE-2026-117526?
- CVE-2026-117526 is a medium-severity vulnerability in Reduxjs Redux-Devtools, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 5.3/10. Published 2026-10-27.
- How severe is CVE-2026-117526?
- Medium severity. CVSS v3 base score is 5.3 out of 10.