How severe is CVE-2021-26594?

CVE-2021-26594 has a CVSS 3.x base score of 8.8, rated high 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-2021-26594 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-26594?

CVE-2021-26594 affects Rangerstudio Directus. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-26594?

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

When was CVE-2021-26594 published?

CVE-2021-26594 was published on 2021-02-23 and last updated on 2026-06-17.

CVE-2021-26594

CVE-2021-26594 is a high-severity vulnerability in Rangerstudio Directus with a CVSS 3.x base score of 8.8. 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-269.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Rangerstudio Directus
Published: 2021-02-23
Last modified: 2026-06-17

Description

In Directus 8.x through 8.8.1, an attacker can switch to the administrator role (via the PATCH method) without any control by the back end. NOTE: This vulnerability only affects products that are no longer supported by the maintainer

Frequently asked questions

What is CVE-2021-26594?: In Directus 8.x through 8.8.1, an attacker can switch to the administrator role (via the PATCH method) without any control by the back end. NOTE: This vulnerability only affects products that are no longer supported by the maintainer
How severe is CVE-2021-26594?: CVE-2021-26594 has a CVSS 3.x base score of 8.8, rated high 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-2021-26594 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-26594?: CVE-2021-26594 affects Rangerstudio Directus. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-26594?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-26594 published?: CVE-2021-26594 was published on 2021-02-23 and last updated on 2026-06-17.

References

https://github.com/sgranel/directusv8

Affected products (1)

cpe:2.3:a:rangerstudio:directus:*:*:*:*:*:*:*:*

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