How severe is CVE-2026-35164?

CVE-2026-35164 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-2026-35164 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-35164?

CVE-2026-35164 affects Ajax30 Bravecms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-35164?

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-2026-35164 have an EU (EUVD) identifier?

Yes. CVE-2026-35164 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19412.

When was CVE-2026-35164 published?

CVE-2026-35164 was published on 2026-04-06 and last updated on 2026-06-17.

CVE-2026-35164

CVE-2026-35164 is a high-severity vulnerability in Ajax30 Bravecms 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-434.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-19412
Weakness: CWE-434
Affected product: Ajax30 Bravecms
Published: 2026-04-06
Last modified: 2026-06-17

Description

Brave CMS is an open-source CMS. Prior to 2.0.6, an unrestricted file upload vulnerability exists in the CKEditor upload functionality. It is found in app/Http/Controllers/Dashboard/CkEditorController.php within the ckupload method. The method fails to validate uploaded file types and relies entirely on user input. This allows an authenticated user to upload executable PHP scripts and gain Remote Code Execution. This vulnerability is fixed in 2.0.6.

Frequently asked questions

What is CVE-2026-35164?: Brave CMS is an open-source CMS. Prior to 2.0.6, an unrestricted file upload vulnerability exists in the CKEditor upload functionality. It is found in app/Http/Controllers/Dashboard/CkEditorController.php within the ckupload method. The method fails to validate uploaded file types and relies entirely on user input. This allows an authenticated user to upload executable PHP scripts and gain Remote Code Execution. This vulnerability is fixed in 2.0.6.
How severe is CVE-2026-35164?: CVE-2026-35164 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-2026-35164 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-35164?: CVE-2026-35164 affects Ajax30 Bravecms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-35164?: 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-2026-35164 have an EU (EUVD) identifier?: Yes. CVE-2026-35164 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19412.
When was CVE-2026-35164 published?: CVE-2026-35164 was published on 2026-04-06 and last updated on 2026-06-17.

References

https://github.com/Ajax30/BraveCMS-2.0/security/advisories/GHSA-2j4q-6p52-4rhw

Affected products (1)

cpe:2.3:a:ajax30:bravecms:*:*:*:*:*:*:*:*

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