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hulumi drift CVE-2026-82858

| EUVDEUVD-2026-68446 CRITICAL
Insufficient Verification of Data Authenticity (CWE-345)
2026-08-31 VulnCheck GHSA-wpxp-22v5-r9cx
9.3
CVSS 4.0 · Vendor: VulnCheck
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Vendor (VulnCheck) PRIMARY
9.3 CRITICAL
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
vuln.today AI
9.8 CRITICAL

Remote unauthenticated acceptance of forged execute plans (CWE-345) with no interaction gives AV:N/AC:L/PR:N/UI:N; trusted malicious reconciliation impacts C/I/A high, scope unchanged.

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

Primary rating from Vendor (VulnCheck).

CVSS VectorVendor: VulnCheck

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

4
CVE Published
Aug 31, 2026 - 10:50 cve.org
CRITICAL 9.3
Patch available
Aug 31, 2026 - 10:16 EUVD
Source Code Evidence Fetched
Aug 31, 2026 - 09:26 vuln.today
Analysis Generated
Aug 31, 2026 - 09:26 vuln.today

DescriptionCVE.org

@hulumi/drift versions before 1.3.2 accept externally supplied execute plans without sufficient provenance validation, allowing untrusted reconciliation input to be treated as trusted. Attackers can supply malicious execute plans that bypass security checks to perform unsafe reconciliation operations.

AnalysisAI

Security-check bypass in @hulumi/drift before 1.3.2 allows remote attackers to submit forged execute plans that the orphan reconciler treats as trusted, enabling unsafe reconciliation operations across all three impact dimensions. The flaw stems from missing provenance validation on externally supplied plans (CWE-345), and the CVSS 4.0 base score is 9.3 (Critical) with a network, no-privilege, no-interaction vector. …

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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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Persist
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires that the target run @hulumi/drift before 1.3.2 AND that its orphan reconciler be configured/deployed such that it ingests execute plans originating from outside the trust boundary - the vulnerable behavior is acceptance of externally supplied execute plans without provenance validation. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The signals are largely consistent toward high priority: the vendor-supplied CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H) describes remote, unauthenticated, low-complexity exploitation with high confidentiality, integrity, and availability impact on the vulnerable system, yielding a 9.3 Critical score. … 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 @hulumi/drift to 1.3.2 or later (Vendor-released patch: 1.3.2), where execute-plan handling now validates provenance and rejects untrusted plans with regression coverage; update the dependency in package.json/lockfiles and redeploy affected services. … Detailed patch versions, workarounds, and compensating controls in full report.

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CVE-2026-82858 vulnerability details – vuln.today

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