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Back to active CVEs
Critical · CVSS 9.8CVE-2026-82859

hulumi before v1.3.2 SCP Template Tag-on-Create BypassCVE-2026-82859

Answer in brief

CVE-2026-82859 records a Critical severity (CVSS 9.8) vulnerability in hulumi before v1.3.2 SCP Template Tag-on-Create Bypass. The current sources do not mark it as known exploited. The current feed maps kerberosmansour/hulumi (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 31, 2026Updated Sep 10, 2026Source checked Oct 15, 2026First seen by HOL Aug 31, 2026Material review Sep 10, 2026
Upstream Advisory

Key facts

Risk
Critical · CVSS 9.8
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 9.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps kerberosmansour/hulumi (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
kerberosmansour/hulumigeneric>=0 <1.3.21.3.2

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for kerberosmansour/hulumi.
  2. 2Review the reported fix. Update kerberosmansour/hulumi to 1.3.2 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Aug 31, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Sep 10, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Aug 31, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • Source referencevulncheck.com
Upstream source description

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.

Quoted source text, attributed separately from HOL analysis.

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  • WordPress Broken Link Checker plugin <= 2.4.14.1 - Content Injection vulnerabilitySame generic ecosystem
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  • Path traversal in PeaZip object preview allows execution of arbitrary programs via a crafted archive entry nameSame generic ecosystem
  • WordPress User Registration plugin <= 5.2.8 - Cross Site Scripting (XSS) vulnerabilitySame generic ecosystem
  • Cross-Site Scripting via ListBox Bound Text in Kendo UI for jQuerySame generic ecosystem
  • Cross-Site Scripting via TabStrip, Menu, and PanelBar Image URLs in Kendo UI for jQuerySame generic ecosystem

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-284
Source
CVE List V5
Source checked
Oct 15, 2026
References
2 linked sources
Open source record