CVE-2026-82857
Privilege escalation in hulumi IAM policy allows creation of persistent higher‑privilege roles.
Is CVE-2026-82857 being exploited?
Not confirmed. CVE-2026-82857 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-2026-82857?
CVE-2026-82857 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-2026-82857?
Yes. A fix has been recorded for CVE-2026-82857. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-82857 affect?
CVE-2026-82857 affects hulumi < v1.3.2, weekly integration IAM policy, sandbox accounts using af-e2e-* roles. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-82857?
Upgrade to hulumi v1.3.2, tighten IAM role boundaries, revoke/rotate affected roles and credentials.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
An attacker with the documented principal can create persistent af-e2e-* high‑privilege roles in sandbox accounts, enabling long‑term privileged access and lateral movement.
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.