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CVE Record

CVE-2026-2237: A use of get request method with sensitive query strings vulnerability in volume encryption of Synology Sto...

A use of get request method with sensitive query strings vulnerability in volume encryption of Synology Storage Manager package before 1.0.1-1100 allows local users on Windows to obtain sensitive information.

MediumCVSS 6.2Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

Synology Storage Manager used GET requests that exposed sensitive volume-encryption information in query strings. On Windows, a local user could obtain that information. The supplied record describes confidentiality impact only and affects Storage Manager before 1.0.1-1100.

Executive priority

Prioritize routine but prompt remediation where Synology Storage Manager handles encrypted volumes. Business urgency is moderate because impact is sensitive-information disclosure, but exploitation requires local Windows access based on the supplied record.

Technical view

CVE-2026-2237 is a CWE-598 issue in Synology Storage Manager volume encryption. Sensitive values are sent in URL query strings via GET. CVSS 3.1 is 6.2 with local attack vector, low complexity, no privileges, no user interaction, and high confidentiality impact.

Likely exposure

Exposure appears limited to environments using Synology Storage Manager before 1.0.1-1100, specifically where Windows local users can access affected traces or artifacts. The sources do not identify remote exposure.

Exploitation context

The CVE is not listed as KEV in the supplied data. No cited source states active exploitation or public weaponization. The main risk is local disclosure of sensitive volume-encryption-related information.

Researcher notes

Evidence is concise and vendor-referenced. The record does not specify exact leaked fields, storage locations, or post-exposure impact. Avoid assuming remote reachability or exploit availability without additional vendor or telemetry evidence.

Mitigation direction

  • Upgrade Synology Storage Manager to 1.0.1-1100 or later per Synology guidance.
  • Review Synology advisory Synology-SA-26:01 for package-specific update instructions.
  • Limit local Windows access to systems managing affected Synology storage.
  • Treat potentially exposed volume-encryption secrets as sensitive and rotate if vendor guidance recommends it.

Validation and detection

  • Inventory Synology Storage Manager package versions in use.
  • Confirm affected installations are upgraded beyond versions before 1.0.1-1100.
  • Check whether Windows local users had access to affected management systems.
  • Review vendor advisory for any additional affected-version or remediation details.
Prepared
Confidence
high
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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cwe · low confidence lookup

CWE-598: Exact CWE lookup

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cve · low confidence lookup

CVE-2026-2237 mapping review

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
6.2 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
3Timeline events
1ADP providers
2Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical Impact: partial

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
6.2CVSS 3.1MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N2.53.6synology

Vulnerability scoring details

Base CVSS 3.1 score

6.2Medium
CVSS 3.1 vector shape for CVE-2026-2237Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
other:ssvc

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
SynologyStorage Manager*affected
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-598 · source CWE mapping

Use of HTTP Request With Sensitive Query String

Use of HTTP Request With Sensitive Query String represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.