CVE-2026-82858 @hulumi/drift before 1.3.2 Unsafe Execute Plan Acceptance

Critical 9.3 Published Updated

Attackers can supply malicious execute plans to bypass security checks and perform unsafe reconciliation operations in the Hulumi drift library.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-82858?

CVE-2026-82858 is a critical vulnerability in hulumi drift, published on 31 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

@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.

Weakness: CWE-345

Which versions are affected by CVE-2026-82858?

2 open source packages ship an affected version, including @hulumi/drift.

PackageAffectedFixed in
@hulumi/drift npmAll versions1.3.2
@hulumi/drift npmAll versions1.3.2

How do I fix CVE-2026-82858?

Upgrade @hulumi/drift to 1.3.2 or later.

Is CVE-2026-82858 being exploited?

There is no known exploitation of CVE-2026-82858 in the wild and no public exploit code.

Sources

Also known as GHSA-2ffm-hxrq-qqmm, GHSA-wpxp-22v5-r9cx.

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