How severe is CVE-2026-44935?

CVE-2026-44935 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-44935 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-44935?

CVE-2026-44935 affects Suse Rancher Fleet. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-44935?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2026-44935 published?

CVE-2026-44935 was published on 2026-07-02 and last updated on 2026-07-06.

CVE-2026-44935

CVE-2026-44935 is a critical-severity vulnerability in Suse Rancher Fleet with a CVSS 3.x base score of 9.9. 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-1287.

Key facts

Severity: Critical (CVSS 3.x base score 9.9)
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1287
Affected product: Suse Rancher Fleet
Published: 2026-07-02
Last modified: 2026-07-06

Description

Missing validation of "valuesFrom" references in Helm Deployer of SUSE Rancher Fleet 0.15 before 0.15.2, 0.14 before 0.14.6, 0.13 before 0.13.11 and 0.12 before 0.12.15 could be used by owners of one tenant to access fleet credentials of other tenants.

Frequently asked questions

What is CVE-2026-44935?: Missing validation of "valuesFrom" references in Helm Deployer of SUSE Rancher Fleet 0.15 before 0.15.2, 0.14 before 0.14.6, 0.13 before 0.13.11 and 0.12 before 0.12.15 could be used by owners of one tenant to access fleet credentials of other tenants.
How severe is CVE-2026-44935?: CVE-2026-44935 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-44935 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-44935?: CVE-2026-44935 affects Suse Rancher Fleet. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-44935?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2026-44935 published?: CVE-2026-44935 was published on 2026-07-02 and last updated on 2026-07-06.

References

https://github.com/rancher/fleet/security/advisories/GHSA-xr65-5cpm-g36x

Affected products (1)

cpe:2.3:a:suse:rancher_fleet:*:*:*:*:*:*:*:*

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