What is CVE-2025-26467?

CVE-2025-26467 is a high-severity vulnerability in Apache Cassandra, classified under Privilege Defined With Unsafe Actions. CVSS score: 8.8/10. Published 2025-08-25.

How severe is CVE-2025-26467?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2025-26467 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Privilege escalation in Apache Cassandra

CVE-2025-26467

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. Oper…

EPSS: 0.005 (36.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Apache Cassandra
Apache Software Foundation Cassandra — versions 4.0.16

Weakness classification (CWE)

CWE-267 — Privilege Defined With Unsafe Actions

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

security@apache.org (vendor-advisory, Mailing List, Vendor Advisory)

Frequently asked questions

What is CVE-2025-26467?: CVE-2025-26467 is a high-severity vulnerability in Apache Cassandra, classified under Privilege Defined With Unsafe Actions. CVSS score: 8.8/10. Published 2025-08-25.
How severe is CVE-2025-26467?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2025-26467 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.