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JetBrains GoLand CVE-2026-86506

| EUVDEUVD-2026-72522 MEDIUM
Missing Authentication for Critical Function (CWE-306)
2026-09-07 JetBrains GHSA-8jxj-gvvm-m2rh
5.9
CVSS 3.1 · Vendor: JetBrains
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Severity by source

Vendor (JetBrains) PRIMARY
5.9 MEDIUM
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
vuln.today AI
5.9 MEDIUM

AC:H reflects that exploitation requires both network positioning and an active profiling session; C:H captures in-memory secret exposure; I:N and A:N because pprof is read-only.

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

Primary rating from Vendor (JetBrains).

CVSS VectorVendor: JetBrains

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

2
Patch available
Sep 07, 2026 - 17:17 EUVD
Analysis Generated
Sep 07, 2026 - 17:14 vuln.today

DescriptionCVE.org

In JetBrains GoLand before 2026.2.2.1 missing authentication on the GoLand profiler's injected pprof server exposed profiling data

AnalysisAI

Unauthenticated network exposure of Go runtime profiling data affects JetBrains GoLand IDE versions prior to 2026.2.2.1, where the IDE injects a pprof HTTP server into profiled processes without any access control. An attacker with network connectivity to the developer workstation during an active profiling session can retrieve heap dumps, goroutine stacks, CPU traces, and in-memory data structures that may contain credentials, tokens, or sensitive application state. …

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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 The GoLand profiler must be actively running on the target host - the injected pprof HTTP server does not exist outside of active profiling sessions, meaning exploitation is bounded to the window when a developer is actively using the GoLand profiler feature. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 5.9 score (AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N) accurately reflects a constrained but high-consequence confidentiality exposure - the AC:H rating captures the core limiting factor: the pprof server only exists during active GoLand profiling sessions, so exploitation requires both network access and correct timing relative to the developer's workflow. … 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 Upgrade JetBrains GoLand to version 2026.2.2.1 or later, which is the vendor-confirmed fix per the JetBrains security issues advisory at https://www.jetbrains.com/privacy-security/issues-fixed/. … Detailed patch versions, workarounds, and compensating controls in full report.

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CVE-2026-86506 vulnerability details – vuln.today

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