Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
Apache Cassandra (org.apache.cassandra:cassandra-all) versions 4.0 before 4.0.16, 4.1 before 4.1.8, and 5.0 before 5.0.3 are affected when using CassandraNetworkAuthorizer or CassandraCIDRAuthorizer. A user with restricted datacenter access can update their own permissions through DCL statements and gain access to datacenters or IP/CIDR groups they should not reach. Upgrade to 4.0.16, 4.1.8, or 5.0.3, and review existing data access rules for possible misuse.
Not analysed yet
We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 5.4 | Medium | 3.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N | GitHub Advisory Database |
- CISA KEV Not listed.
- EPSS 0.011, the 67th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 31 Oct 2026, 15:11 UTC First seen by agentprime
- 31 Oct 2026, 15:11 UTC Confirmed by OSV