CVE-2026-48033
Hulumi policy packs can be bypassed via forged Pulumi-URN (pre-1.4.0)
Is CVE-2026-48033 being exploited?
Not confirmed. CVE-2026-48033 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.28% probability of exploitation in the next 30 days.
How severe is CVE-2026-48033?
CVE-2026-48033 is rated High with a CVSS score of 8.4. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-48033?
Yes. A fix has been recorded for CVE-2026-48033. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-48033 affect?
CVE-2026-48033 affects Hulumi versions < 1.4.0, Pulumi deployments using Hulumi, Infrastructure-as-Code pipelines integrating Hulumi. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-48033?
Upgrade Hulumi to v1.4.0+ and validate Pulumi-URN handling in IaC pipelines.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Bypass Pulumi policy enforcement using a forged URN, enabling unauthorized resource deployment and potential RCE during deployments.
Patch when possible
- affected< 1.4.0
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.