How severe is CVE-2026-56115?

CVE-2026-56115 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-2026-56115 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-56115?

CVE-2026-56115 affects Bootimus. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-56115?

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.

Does CVE-2026-56115 have an EU (EUVD) identifier?

Yes. CVE-2026-56115 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38494.

When was CVE-2026-56115 published?

CVE-2026-56115 was published on 2026-06-23 and last updated on 2026-06-29.

CVE-2026-56115

CVE-2026-56115 is a high-severity vulnerability in Bootimus 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-862.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v4: 8.7
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-38494
Weakness: CWE-862
Affected product: Bootimus
Published: 2026-06-23
Last modified: 2026-06-29

Description

Bootimus through 0.1.70 contains a broken access control vulnerability that allows authenticated low-privileged users to perform administrative actions by exploiting missing role enforcement in the JWTMiddleware function in internal/auth/auth.go, which validates JWT tokens and account status but fails to inspect the is_admin flag. Attackers can send requests to any endpoint under the /api/users path to create new administrator accounts or reset administrator passwords, thereby gaining full control of the server and the ability to modify boot menus and installation scripts served to PXE clients.

Frequently asked questions

What is CVE-2026-56115?: Bootimus through 0.1.70 contains a broken access control vulnerability that allows authenticated low-privileged users to perform administrative actions by exploiting missing role enforcement in the JWTMiddleware function in internal/auth/auth.go, which validates JWT tokens and account status but fails to inspect the is_admin flag. Attackers can send requests to any endpoint under the /api/users path to create new administrator accounts or reset administrator passwords, thereby gaining full control of the server and the ability to modify boot menus and installation scripts served to PXE clients.
How severe is CVE-2026-56115?: CVE-2026-56115 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-2026-56115 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-56115?: CVE-2026-56115 affects Bootimus. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-56115?: 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.
Does CVE-2026-56115 have an EU (EUVD) identifier?: Yes. CVE-2026-56115 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38494.
When was CVE-2026-56115 published?: CVE-2026-56115 was published on 2026-06-23 and last updated on 2026-06-29.

References

Affected products (1)

cpe:2.3:a:bootimus:bootimus:*:*:*:*:*:*:*:*

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