# CVE-2026-120734: CVE-2026-120734

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

Cleartext transmission of sensitive information in the email configuration test in Devolutions Server 2026.3.13.0 and earlier allows an authenticated user with access to the test action to obtain the stored SMTP password via a request that names an attacker-controlled SMTP host.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Devolutions / Server: ≥ 0; < 2026.3.13.0 (affected, custom). Source: CNA: DEVOLUTIONS

## NVD configuration conditions

Affected CPE matches depend on the following AND/OR and negation conditions:

```json
[
  {
    "negate": false,
    "nodes": [
      {
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:devolutions:devolutions_server:*:*:*:*:*:*:*:*",
            "versionEndExcluding": "2026.2.23.0",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:devolutions:devolutions_server:*:*:*:*:*:*:*:*",
            "versionEndExcluding": "2026.3.13.0",
            "versionStartIncluding": "2026.3.5.0",
            "vulnerable": true
          }
        ],
        "negate": false,
        "operator": "OR"
      }
    ],
    "operator": "OR"
  }
]
```

## Severity and prioritization

- CVSS 3.1: 6.5 (medium); CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N; source: ADP: CISA-ADP

- CVSS 3.1: 6.5 (medium); CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N; source: NVD: 134c704f-9b21-4f2e-91b3-4a467353bcc0

- CISA KEV: No listing in collected sources

- EPSS: 0.22% as of 2026-11-09; percentile 13.08%

- SSVC: exploitation none; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-319

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://devolutions.net/security/advisories/DEVO-2026-0039/ (CNA: DEVOLUTIONS)

- https://devolutions.net/security/advisories/DEVO-2026-0039/ (security@devolutions.net; Vendor Advisory)

## Provenance

- CNA: DEVOLUTIONS: https://www.cve.org/CVERecord?id=CVE-2026-120734; retrieved 2026-11-06; source updated 2026-11-06

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-120734; retrieved 2026-11-10; source updated 2026-11-10

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-120734; retrieved 2026-11-10; source updated Not reported

Revision: cf310bf6e1171020c63fd69da908ef1d3e4b861b96d21bdb6c02d8ee5b0db836

Canonical: https://y2.dev/cve/CVE-2026-120734

## 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.