How severe is CVE-2025-55198?

CVE-2025-55198 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-55198 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-55198?

CVE-2025-55198 affects Helm. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-55198?

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

Does CVE-2025-55198 have an EU (EUVD) identifier?

Yes. CVE-2025-55198 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24646.

When was CVE-2025-55198 published?

CVE-2025-55198 was published on 2025-08-14 and last updated on 2026-06-17.

CVE-2025-55198

CVE-2025-55198 is a medium-severity vulnerability in Helm with a CVSS 3.x base score of 6.5. 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-908.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-24646
Weakness: CWE-908
Affected product: Helm
Published: 2025-08-14
Last modified: 2026-06-17

Description

Helm is a package manager for Charts for Kubernetes. Prior to version 3.18.5, when parsing Chart.yaml and index.yaml files, an improper validation of type error can lead to a panic. This issue has been resolved in Helm 3.18.5. A workaround involves ensuring YAML files are formatted as Helm expects prior to processing them with Helm.

Frequently asked questions

What is CVE-2025-55198?: Helm is a package manager for Charts for Kubernetes. Prior to version 3.18.5, when parsing Chart.yaml and index.yaml files, an improper validation of type error can lead to a panic. This issue has been resolved in Helm 3.18.5. A workaround involves ensuring YAML files are formatted as Helm expects prior to processing them with Helm.
How severe is CVE-2025-55198?: CVE-2025-55198 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-55198 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-55198?: CVE-2025-55198 affects Helm. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-55198?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-55198 have an EU (EUVD) identifier?: Yes. CVE-2025-55198 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24646.
When was CVE-2025-55198 published?: CVE-2025-55198 was published on 2025-08-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:helm:helm:*:*:*:*:*:*:*:*

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