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Devolutions Server CVE-2026-100288

| EUVDEUVD-2026-89025 HIGH
Cleartext Storage of Sensitive Information (CWE-312)
2026-09-29 DEVOLUTIONS GHSA-77jc-98pv-xc56
7.2
CVSS 3.1 · Vendor: DEVOLUTIONS
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Severity by source

Vendor (DEVOLUTIONS) PRIMARY
7.2 HIGH
AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N
vuln.today AI
6.7 MEDIUM

DB read access is required (PR:H) and the vector is data-tier/local (AV:L); cleartext data needs no special conditions to read (AC:L); C:H for token disclosure, I:L only via downstream session replay enabling the S:C impersonation scope.

3.1 AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:N
4.0 AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:L/VA:N/SC:L/SI:L/SA:N

Primary rating from Vendor (DEVOLUTIONS).

CVSS VectorVendor: DEVOLUTIONS

Attack Vector
Local
Attack Complexity
High
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
None

Lifecycle Timeline

5
Analysis Generated
Oct 01, 2026 - 00:08 vuln.today
CVSS changed
Sep 30, 2026 - 22:08 NVD
7.2 (None) 7.2 (HIGH)
Patch available
Sep 29, 2026 - 17:17 EUVD
CVE Published
Sep 29, 2026 - 15:46 cve.org
HIGH 7.2
CVE Published
Sep 29, 2026 - 15:46 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

Cleartext storage of sensitive information in the database in Devolutions Server 2026.3.5.0 and earlier allows an attacker with read access to the database to obtain external identity provider tokens and active session identifiers via direct inspection of stored records.

AnalysisAI

Cleartext storage of external identity provider tokens and active session identifiers in the Devolutions Server backend database means anyone who already holds read access to those records can recover reusable credentials and replay them to impersonate users. The affected code is Devolutions Server 2026.3.5.0 and earlier; ENISA's EUVD entry narrows the affected range to all Server builds below 2026.3.7.0. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires pre-existing read access to the Devolutions Server backend database (PR:H, AV:L) - for example compromised database credentials, a database backup, a separate injection flaw, or a malicious/privileged DBA. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment This is a genuine but low-urgency issue whose risk is heavily gated by its prerequisites. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Vendor-released patch: Devolutions Server 2026.3.7.0 is the first fixed release identified in the ENISA EUVD affected range ("Server 0 < 2026.3.7.0"), and patch availability is confirmed by the vendor; upgrade to 2026.3.7.0 or later following the instructions in advisory DEVO-2026-0034 (https://devolutions.net/security/advisories/DEVO-2026-0034/). … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, inventory all Devolutions Server instances and identify any running version 2026.3.5.0 or earlier (or per ENISA, any build below 2026.3.7.0); apply vendor-released patch 2026.3.7.0 immediately. …

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CVE-2026-100288 vulnerability details – vuln.today

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