CVE-2026-48036: CWE-755: Improper Handling of Exceptional Conditions in kerberosmansour hulumi
Hulumi is an open-source toolkit that ships secure-by-default cloud and platform infrastructure components for Pulumi. Prior to version 1.4.0, consumers running drift detection in CI / cron could see transient adapter failures silently cached as "all clear" — masking real attacks for up to six hours — or see ordinary provider-version churn falsely promoted to incident severity. Either way, the verdict source was unreliable for downstream incident workflows that gate on it. This issue has been patched in version 1.4.0.
AI Analysis
Technical Summary
The vulnerability in hulumi (CVE-2026-48036) is due to improper handling of exceptional conditions (CWE-755) in its drift detection mechanism used in CI or cron environments. Transient adapter failures were cached incorrectly as successful results, masking real security incidents for extended periods, or normal provider-version churn was misclassified as severe incidents. This undermines the reliability of incident gating workflows dependent on these verdicts. The flaw was addressed in hulumi version 1.4.0.
Potential Impact
Users running hulumi versions prior to 1.4.0 may experience false negatives where real attacks are masked for up to six hours, or false positives where routine provider-version changes trigger incident-level alerts. This reduces the reliability of security incident detection and response workflows relying on hulumi's drift detection verdicts, potentially delaying or misdirecting incident handling.
Mitigation Recommendations
Upgrade hulumi to version 1.4.0 or later, where this issue has been patched. No other mitigation is indicated. Patch status is confirmed by the vendor advisory stating the fix is included in version 1.4.0.
CVE-2026-48036: CWE-755: Improper Handling of Exceptional Conditions in kerberosmansour hulumi
Description
Hulumi is an open-source toolkit that ships secure-by-default cloud and platform infrastructure components for Pulumi. Prior to version 1.4.0, consumers running drift detection in CI / cron could see transient adapter failures silently cached as "all clear" — masking real attacks for up to six hours — or see ordinary provider-version churn falsely promoted to incident severity. Either way, the verdict source was unreliable for downstream incident workflows that gate on it. This issue has been patched in version 1.4.0.
CVSS v4.0
Score 8.4high
Affected software
pkg:github/kerberosmansour/hulumiRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability in hulumi (CVE-2026-48036) is due to improper handling of exceptional conditions (CWE-755) in its drift detection mechanism used in CI or cron environments. Transient adapter failures were cached incorrectly as successful results, masking real security incidents for extended periods, or normal provider-version churn was misclassified as severe incidents. This undermines the reliability of incident gating workflows dependent on these verdicts. The flaw was addressed in hulumi version 1.4.0.
Potential Impact
Users running hulumi versions prior to 1.4.0 may experience false negatives where real attacks are masked for up to six hours, or false positives where routine provider-version changes trigger incident-level alerts. This reduces the reliability of security incident detection and response workflows relying on hulumi's drift detection verdicts, potentially delaying or misdirecting incident handling.
Mitigation Recommendations
Upgrade hulumi to version 1.4.0 or later, where this issue has been patched. No other mitigation is indicated. Patch status is confirmed by the vendor advisory stating the fix is included in version 1.4.0.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-05-20T18:15:53.577Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a63b7fc9c2644c7f86ce7bc
Added to database: 07/24/2026, 19:07:40 UTC
Last enriched: 07/31/2026, 21:15:46 UTC
Last updated: 09/07/2026, 12:04:57 UTC
Views: 75
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