CVE-2026-82859
hulumi <1.3.2 SCP template allows tag-on-create to bypass IAM role protections.
Is CVE-2026-82859 being exploited?
Not confirmed. CVE-2026-82859 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 0.30% probability of exploitation in the next 30 days.
How severe is CVE-2026-82859?
CVE-2026-82859 is rated Critical with a CVSS score of 9.3. 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-2026-82859?
Yes. A fix has been recorded for CVE-2026-82859. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-82859 affect?
CVE-2026-82859 affects hulumi < 1.3.2, hulumi:iac-role SCP template, Downstream cloud deployments using hulumi templates. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-82859?
Upgrade hulumi to v1.3.2, audit and tighten SCPs, revoke tag-on-create permissions.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Attackers can bypass Service Control Policy protections (tag-on-create) to evade IAM boundaries, enabling unauthorized resource creation or privilege escalation in downstream deployments.
Immediate action required
- affected< 1.3.2
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.