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CVE Record

CVE-2026-82460: Cloud Commander before 19.20.2 Directory Traversal via REST and Markdown

Cloud Commander before 19.20.2 contains a directory traversal vulnerability in REST file-operation and markdown endpoints that fails to properly validate path normalization. Attackers can use path traversal sequences to read, write, move, or copy files outside the configured root directory.

CriticalCVSS 9.8Not KEV-listedUpdated
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Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

Cloud Commander versions before 19.20.2 may let an unauthenticated network attacker escape the configured file root. Successful abuse could expose sensitive files, alter application or system data, and disrupt service. Systems reachable from untrusted networks require urgent review.

Executive priority

Treat exposed pre-19.20.2 deployments as an immediate remediation priority because compromise could affect confidentiality, integrity, and availability without authentication. Prioritize internet-facing systems, then internal instances accessible by broad user populations. Investigate suspicious activity, but do not represent exploitation as confirmed without supporting evidence.

Technical view

CVE-2026-82460 is a CWE-22 path traversal flaw affecting REST file-operation and markdown endpoints. Insufficient path-normalization validation permits traversal outside Cloud Commander’s configured root, enabling file reads, writes, moves, or copies. The supplied CVSS 3.1 score is 9.8 with network access, low complexity, no privileges, and no user interaction.

Likely exposure

Highest risk applies where Cloud Commander before 19.20.2 is network-accessible, particularly from the internet or untrusted internal networks. Exposure also depends on the filesystem permissions granted to its process. The bundle’s structured affected-version entry is inconsistent with its narrative, so confirm versions directly against vendor guidance.

Exploitation context

The supplied record does not identify known active exploitation, and the CVE is not marked as included in KEV. Its unauthenticated, network-reachable characteristics nevertheless make vulnerable exposed deployments attractive targets. No conclusion about public exploit availability can be drawn from the supplied evidence.

Researcher notes

The stated weakness is path traversal caused by inadequate normalization checks across REST file operations and markdown handling. Impact includes operations beyond reading, materially increasing integrity and availability risk. The supplied affected array lists version "0" with default status "unaffected," conflicting with the repeated pre-19.20.2 scope; validate authoritative version applicability before final asset disposition.

Mitigation direction

  • Upgrade Cloud Commander to version 19.20.2 or later after compatibility testing.
  • Until upgraded, restrict Cloud Commander access to trusted networks and authenticated administrative users.
  • Minimize the Cloud Commander process account’s filesystem permissions.
  • Review the vendor patch, release notes, and advisory for deployment-specific guidance.

Validation and detection

  • Inventory Cloud Commander deployments and record their exact installed versions.
  • Identify deployments reachable from the internet or other untrusted networks.
  • Confirm upgraded systems report version 19.20.2 or later.
  • Review application and access logs for suspicious traversal-like path requests.
  • Verify the service account cannot access unnecessary sensitive filesystem locations.
Prepared
Confidence
medium
Sources
6

Public sources used

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

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · medium confidence lookup

CWE-22: File access and web shell behavior lookup

File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

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description · low confidence lookup

File access behavior lookup

The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2026-82460 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Critical
CVSS
9.8 (3.1)
Known Exploited
No
Published

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

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.

2CVSS vectors
3Timeline events
1ADP providers
7Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: pocAutomatable: yesTechnical Impact: total

CVSS vector scores

2 official scores

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
9.8CVSS 3.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9VulnCheck
9.3CVSS 4.0CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N——VulnCheck

Vulnerability scoring details

Base CVSS 4.0 score

9.3Critical
CVSS 4.0 vector shape for CVE-2026-82460Attack VectorAttack ComplexityAttack RequirementsPrivileges RequiredUser InteractionVS ConfidentialityVS IntegrityVS AvailabilitySS ConfidentialitySS IntegritySS Availability

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Attack Requirements
NonePresent
Privileges Required
NoneLowHigh
User Interaction
NonePassiveActive
VS Confidentiality
HighLowNone
VS Integrity
HighLowNone
VS Availability
HighLowNone
SS Confidentiality
HighLowNone
SS Integrity
HighLowNone
SS Availability
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
coderaisercloudcmd0unaffected
Weakness

CWE details

CWE-22

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

CWE-22 · source CWE mapping

Improper Limitation of a Pathname to a Restricted Directory

Improper Limitation of a Pathname to a Restricted Directory represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.

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