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CVE Record

CVE-2026-59792: In JetBrains IntelliJ IDEA before 2026.1.4, 2026.2 code execution via path traversal in project workspace...

In JetBrains IntelliJ IDEA before 2026.1.4, 2026.2 code execution via path traversal in project workspace ID handling was possible

CriticalCVSS 9.6Not KEV-listedUpdated
Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

This is a critical IntelliJ IDEA issue where handling of a project workspace ID could allow code execution through path traversal. The available source says user interaction is required, so the main business risk is developers opening or processing a malicious project or workspace before updating.

Executive priority

Treat as urgent for engineering environments. Developer workstations often hold credentials, source code, and production access paths, so a critical IDE code-execution flaw can become a broader business compromise if left unpatched.

Technical view

CVE-2026-59792 affects JetBrains IntelliJ IDEA before 2026.1.4, according to the source bundle. It is classified as CWE-23 path traversal with CVSS 9.6: network reachable, low complexity, no privileges required, user interaction required, changed scope, and high confidentiality and integrity impact.

Likely exposure

Organizations using IntelliJ IDEA versions earlier than 2026.1.4 are the likely exposure group. The source bundle does not provide CPEs, editions, platforms, or exact build ranges.

Exploitation context

No cited source in the bundle states active exploitation, and KEV is false. The CVSS vector indicates exploitation requires user interaction and no prior privileges, with potential cross-scope code execution impact.

Researcher notes

The public bundle is sparse. It identifies path traversal in project workspace ID handling but does not describe exploit prerequisites beyond CVSS user interaction, affected editions, fixed build numbers, indicators, or mitigations beyond the JetBrains reference.

Mitigation direction

  • Update IntelliJ IDEA to 2026.1.4 or later per JetBrains guidance.
  • Check JetBrains fixed-issues guidance for exact affected build and edition details.
  • Restrict opening untrusted projects or workspaces until patched.
  • Prioritize developer workstations that handle external repositories or customer code.
  • Monitor JetBrains advisories for follow-up corrections or expanded affected versions.

Validation and detection

  • Inventory IntelliJ IDEA installations and record exact versions and builds.
  • Confirm all installations are updated to 2026.1.4 or later.
  • Review whether developers recently opened untrusted project workspaces.
  • Check endpoint telemetry for unusual IDE-launched child processes.
  • Validate vendor guidance because the source lacks complete affected-version metadata.
Prepared
Confidence
medium
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

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-23: 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.

Open ATT&CK lookup
description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
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-2026-59792 mapping review

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

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Critical
CVSS
9.6 (3.1)
Known Exploited
No
Published

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

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: total

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
9.6CVSS 3.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L2.86JetBrains

Vulnerability scoring details

Base CVSS 3.1 score

9.6Critical
CVSS 3.1 vector shape for CVE-2026-59792Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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
JetBrainsIntelliJ IDEA0unaffected
Weakness

CWE details

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

CWE-23 · source CWE mapping

Relative Path Traversal

Relative Path Traversal represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.