Apache Cassandra 4.0.16 permission

Summaryinfo

A vulnerability, which was classified as critical, has been found in Apache Cassandra 4.0.16. This affects an unknown part. Performing a manipulation results in permission. This vulnerability is known as CVE-2025-26467. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Apache Cassandra 4.0.16. This affects an unknown functionality. The manipulation with an unknown input leads to a permission vulnerability. CWE is classifying the issue as CWE-275. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Privilege Defined With Unsafe Actions vulnerability in Apache Cassandra. An user with MODIFY permission ON ALL KEYSPACES can escalate privileges to superuser within a targeted Cassandra cluster via unsafe actions to a system resource. Operators granting data MODIFY permission on all keyspaces on affected versions should review data access rules for potential breaches. This issue affects Apache Cassandra 3.0.30, 3.11.17, 4.0.16, 4.1.7, 5.0.2, but this advisory is only for 4.0.16 because the fix to CVE-2025-23015 was incorrectly applied to 4.0.16, so that version is still affected. Users in the 4.0 series are recommended to upgrade to version 4.0.17 which fixes the issue. Users from 3.0, 3.11, 4.1 and 5.0 series should follow recommendation from CVE-2025-23015.

It is possible to read the advisory at lists.apache.org. This vulnerability is uniquely identified as CVE-2025-26467 since 02/10/2025. The exploitability is told to be easy. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/27/2025). The attack technique deployed by this issue is T1222 according to MITRE ATT&CK.

Upgrading to version 4.0.17 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-25767). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• Apache

Name

• Cassandra

Version

• 4.0.16

License

• open-source

Website

• Vendor: https://www.apache.org/

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• 🔍

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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