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TI-2026-84574 Aliases CVE-2026-120734GHSA-4377-v882-5xvg

Cleartext SMTP password exposure in Devolutions Server email test

Priority LOW 28CWE-319Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-319.

Summary

Devolutions Server before 2026.3.13.0 transmits sensitive information in cleartext in its email configuration test (CWE-319). An authenticated user with access to the test action can obtain the stored SMTP password, with low privileges and no user interaction needed.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00224 13th percentileScored 2026-11-07
Fix Fixed Server (Devolutions): 2026.3.13.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
DevolutionsServerbefore 2026.3.13.02026.3.13.0Patch availableCNA
  • Server VendorDevolutions Affected before 2026.3.13.0 Fixed in 2026.3.13.0 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:devolutions:devolutions_server:*:*:*:*:*:*:*:*——Devolutions
  • cpe:2.3:a:devolutions:devolutions_server:*:*:*:*:*:*:*:* Versions — — ·Devolutions

Remediation

Devolutions Server 2026.3.13.0 fixes this flaw.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

  • Fix · CNA Server (Devolutions) Fixed in 2026.3.13.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Devolutions Server 2026.3.13.0

    4 records Highest priority Priority LOW 4 LOW

    Other records, highest priority first

    • TI-2026-84573 Cleartext storage of TOTP secrets in Devolutions Server user dataPriority LOW 38
    • TI-2026-84572 Server-side request forgery in Devolutions Server leaks NetNTLMv2 hashPriority LOW 37
    • TI-2026-84580 Devolutions Server sync API exposes other users' MFA secretsPriority LOW 28
    Show all 4 records →

Timeline

  1. 2026-11-03 Threatist record created from CVE-2026-120734
  2. 2026-11-03 Alias added: GHSA-4377-v882-5xvg
  3. 2026-11-06 CVSS score added · CISA ADP
  4. 2026-11-06 CISA SSVC decision points changed

References

Other 1

  • TI-2026-02787 Improper authentication in Devolutions Server CVSS 3.1CRITICAL 9.8
  • TI-2026-02768 Improper input validation in Devolutions Server CVSS 3.1CRITICAL 9.8
  • TI-2024-02729 Missing authentication in Devolutions Server CVSS 3.1CRITICAL 9.8
  • TI-2023-06040 Incorrect permission assignment in Devolutions Remote Desktop Manager CVSS 3.1CRITICAL 9.8
  • TI-2023-04041 Improper authentication in Devolutions Remote Desktop Manager CVSS 3.1CRITICAL 9.8
  • TI-2026-02702 Improper Enforcement of Behavioral Controls in Devolutions Server 2025.3.15 and earlier… CVSS 3.1CRITICAL 9.8
See all 212 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences