# CVE-2026-117526: reduxjs redux-devtools Remotedev Server evalAction code injection

Status: published. Published: 2026-10-27. Updated: 2026-11-03.

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.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- reduxjs / redux-devtools: 5.0.0 (affected). Source: CNA: VulDB

## Severity and prioritization

- CVSS 4.0: 4.8 (medium); CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P; source: CNA: VulDB

- CVSS 3.1: 5.3 (medium); CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C; source: CNA: VulDB

- CVSS 3.0: 5.3 (medium); CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C; source: CNA: VulDB

- CVSS 2.0: 4.3 (medium); AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:C; source: CNA: VulDB

- CISA KEV: No listing in collected sources

- EPSS: 0.14% as of 2026-11-02; percentile 3.48%

- SSVC: exploitation poc; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-94, CWE-74

## Exploit evidence

- exploit: https://github.com/reduxjs/redux-devtools/issues/2125 (CNA: VulDB)

## References

- https://vuldb.com/vuln/427087 (CNA: VulDB; vdb-entry, technical-description)

- https://vuldb.com/vuln/427087/cti (CNA: VulDB; signature, permissions-required)

- https://vuldb.com/cve/CVE-2026-117526 (CNA: VulDB; third-party-advisory)

- https://vuldb.com/submit/1025061 (CNA: VulDB; third-party-advisory)

- https://github.com/reduxjs/redux-devtools/issues/2125 (CNA: VulDB; exploit, issue-tracking)

- https://github.com/reduxjs/redux-devtools/ (CNA: VulDB; product)

## Provenance

- CNA: VulDB: https://www.cve.org/CVERecord?id=CVE-2026-117526; retrieved 2026-11-03; source updated 2026-11-03

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-117526; retrieved 2026-11-03; source updated Not reported

Revision: 58ea45b073fd0a9894ce04baa1e2ac556698df388920b87764b0dc6f17a825af

Canonical: https://y2.dev/cve/CVE-2026-117526

## Agent and API access

Public CVE pages, Markdown, and JSON are free to read without an account or API key.

- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

Collected public records only. Check source status for coverage and freshness.