CVE-2026-82859 json
hulumi before v1.3.2 SCP Template Tag-on-Create Bypass
published 5mo ago modified 2mo ago also EUVD-2026-68447 , GHSA-86q4-r5j3-ff5c
Unreviewed: the maintainers' own advisory
Published by the maintainers on their GitHub repository kerberosmansour/hulumi. GitHub has not reviewed it into the GitHub Advisory Database, so the affected packages and versions are the maintainers' word. Read the full advisory on GitHub.
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 46%
- public exploits
- 0
- none known
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.
Patch / fix
- kerberosmansour hulumi 1.3.2
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- Exploitation
- none
- Automatable
- yes
- Technical impact
- total
- Assessed
- 2mo ago
Exploit prediction
0.54% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-11).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 9.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 4.0 | 9.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Affected products
- kerberosmansour hulumi
Classification
- Weakness
-
- CWE-284 Improper Access Control
References
-
github.com
/kerberosmansour/hulumi/security/advisories/GHSA-86q4-r5j3-ff5c
vendor-advisory, advisory
-
vulncheck.com
/advisories/hulumi-before-1.3.2-scp-template-tag-on-create-bypass
third-party-advisory
Sources
- CVE List CVE-2026-82859
- NVD CVE-2026-82859
- Maintainer advisory GHSA-86q4-r5j3-ff5c
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
The maintainers of kerberosmansour/hulumi published their own advisory on GitHub. Reviewed sources take precedence over it.