PT-2026-30903 · Apache · Apache Cassandra

Sho Odagiri · CVE-2026-27314 · Published 2026-04-07 · Updated 2026-06-17

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Apache Cassandra versions 5.0 through 5.0.6

Description A privilege escalation issue exists in Apache Cassandra 5.0 when using MutualTlsAuthenticator in an mTLS environment. A user with only CREATE permission can associate their own certificate identity with an arbitrary role, including a superuser role, and authenticate as that role via the ADD IDENTITY function.

Recommendations Upgrade to version 5.0.7 or later.

Exploit

Fix

LPE

Weakness Enumeration

CWE-267

Related Identifiers

CVE-2026-27314

GHSA-QXPC-96FQ-WWMG

Affected Products

Apache Cassandra

References · 12

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27314.json · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-27314 · Security Note
• https://osv.dev/vulnerability/CVE-2026-27314 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-APP-MAVEN-CVE-2026-27314 · Vendor Advisory
• https://lists.apache.org/thread/zrng82ddy4rpsmfyk582v6hqxcqrbz7f · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-qxpc-96fq-wwmg · Vendor Advisory
• https://github.com/apache/cassandra/releases/tag/cassandra-5.0.7 · Note
• https://github.com/apache/cassandra · Note
• https://github.com/apache/cassandra/commit/b584a435970e5125e1def5148d943c39569dc7af · Note
• https://twitter.com/CVEnew/status/2041569988444877182 · Twitter Post
• https://repo.maven.apache.org/maven2 · Note
• http://openwall.com/lists/oss-security/2026/04/07/7 · Note