CVE-2026-8804
Puppet resource_api (shipped in Puppet Core 8.x and Puppet Enterprise 2023.8.x and 2025.x) does not preserve the sensitive flag on parameters defined via the resource-api, causing values such as passwords to be stored in cleartext in the agent's local transaction state cache. Affected versions of the resource_api module include all versions between 1.5.0 - 1.9.1 and 2.0.0 The issue was fixed in puppet resource_api 1.9.2 and 2.0.1 released with Puppet Core 8.20.0 and PE 2023.8.10 & PE 2025.11.0.
CSIRTS triage
- What
- A local attacker can exploit a vulnerability in Puppet to disclose information.
- Who is affected
- Local deployments of Puppet are affected.
- Urgency
- Remediation is medium urgency as it allows for information disclosure.
- Action
- Apply the latest security updates for Puppet.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.08% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 0% of all EPSS-scored CVEs.
Advisory coverage (2)
- medium[NEW] [medium] Puppet: Vulnerability allows information disclosurecert-bund · 2026-07-06
- unknownCVE-2026-8804: Puppet resource_api (shipped in Puppet Core 8.x and Puppet Enterprise 2023.8.x and 2025.x) does…nvd · 2026-07-03
External references
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[](https://www.csirts.com/cve/CVE-2026-8804)