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PatchSiren cyber security CVE debrief

CVE-2026-82859 kerberosmansour CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-31T09:17:06.210Z and has not been modified since then. This CVE affects hulumi versions before v1.3.2, allowing tag-on-create bypasses for hulumi:iac-role protections via a weakened SCP template. Users of hulumi versions before v1.3.2, security teams, and IAM administrators should review and remediate affected deployments. Security teams should verify hulumi version and SCP template configurations. The evidence for this CVE is limited, so defenders should verify hulumi version and SCP template configurations, check for vendor remediation, and apply compensating controls as needed.

Vendor
kerberosmansour
Product
hulumi
CVSS
CRITICAL 9.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-31
Original CVE updated
2026-08-31
Advisory published
2026-08-31
Advisory updated
2026-08-31

Who should care

Users of hulumi versions before v1.3.2, security teams, and IAM administrators should review and remediate affected deployments. This issue affects hulumi versions before v1.3.2, and compensating controls may be needed. Security teams should verify hulumi version and SCP template configurations.

Technical summary

hulumi versions before v1.3.2 contain a deployment SCP template that allows tag-on-create bypasses for hulumi:iac-role protections. Attackers can bypass intended IAM boundary restrictions by exploiting the weakened SCP template in downstream deployments. This issue affects hulumi versions before v1.3.2. The CVE record was published on 2026-08-31T09:17:06.210Z and has not been modified since then. There is no information on known or unknown affected scope. Defenders should verify hulumi version and SCP template configurations, and apply compensating controls as needed.

Defensive priority

Critical vulnerability in hulumi versions before v1.3.2; prioritize immediate review and remediation.

Recommended defensive actions

  • Review and remediate hulumi versions before v1.3.2
  • Verify SCP template configurations
  • Apply compensating controls as needed
  • Monitor for potential exploitation attempts
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The evidence for this CVE is limited. Verify hulumi version and SCP template configurations. Check for vendor remediation and apply compensating controls as needed. The CVE record was published on 2026-08-31T09:17:06.210Z and has not been modified since then. There is no information on known or unknown affected scope. Defenders should verify hulumi version and SCP template configurations.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-82859 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-82859

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-82859 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-82859

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.