by Kastro
Paper/Archive/CVE-2026-82859

CVE-2026-82859

kerberosmansour hulumi — hulumi before v1.3.2 SCP Template Tag-on-Create Bypass

EPSS 0.5%CVSS 9.8
critical.is priorityof 100
39
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 45.6.456 × 209.1No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
hulumi< 1.3.21.3.2CNA

Scores by source

VulnCheck (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
VulnCheck (CNA)9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

advisorygithub.com/kerberosmansour/hulumi/security/advisories/GHSA-86q4-r5j3-ff5cwriteupvulncheck.com/advisories/hulumi-before-1.3.2-scp-template-tag-on-create-bypass