How severe is CVE-2026-8804?

CVE-2026-8804 has a CVSS 4.0 base score of 6.7, rated medium severity.

Is CVE-2026-8804 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-8804?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-8804 published?

CVE-2026-8804 was published on 2026-07-03 and last updated on 2026-07-06.

CVE-2026-8804

CVE-2026-8804 is a medium-severity vulnerability with a CVSS 4.0 base score of 6.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-312.

Key facts

Severity: Medium (CVSS 4.0 base score 6.7)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-312
Published: 2026-07-03
Last modified: 2026-07-06

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-8804?: CVE-2026-8804 has a CVSS 4.0 base score of 6.7, rated medium severity.
Is CVE-2026-8804 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-8804?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-8804 published?: CVE-2026-8804 was published on 2026-07-03 and last updated on 2026-07-06.

References

https://portal.perforce.com/s/cve/a91Qi000003511lIAA/cve20268804-cleartext-storage-of-sensitive-information-for-puppet-resource-api

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