CVE-2026-57915
CVE-2026-57915: 2 tracked advisory records across Apache, Red Hat. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Apache
1 advisory- Advisory severityUnrated
Advisory [CVE-2026-57915] Apache Kerby: Kerberos Pre-Authentication Bypass
CVE-2026-57915Source published Source updated
It is possible to bypass the Kerberos pre-authentication check in Apache Kerby by sending a PA-DATA with an unrecognized or unsupported type. Users are recommended to upgrade to version 2.1.2, which fixes this issue.
- Affected products in this advisory
- Apache Kerby
- Source-reported affected versions
- Apache Kerby before 2.1.2
- Source-reported fixed versions
- 2.1.2
- Mitigation guidance
- Users are recommended to upgrade to version 2.1.2, which fixes this issue.
Red Hat
1 advisory- Advisory severityHigh7.3
High [CVE-2026-57915] Kerberos pre-authentication bypass via unrecognized PA-DATA
CVE-2026-57915Source published Source updated
It is possible to bypass the Kerberos pre-authentication check in Apache Kerby by sending a PA-DATA with an unrecognized or unsupported type. Users are recommended to upgrade to version 2.1.2, which fixes this issue. This vulnerability allows an attacker to circumvent the initial authentication step, potentially leading to unauthorized access or impersonation within a Kerberos-protected environment. This is an Important flaw in Apache Kerby, affecting Red Hat products that utilize Kerberos for authentication, including Red Hat AMQ, JBoss Data Grid, Enterprise Application Platform, and Red Hat JBoss Fuse. Red Hat severity: Important — CVSS 7.3 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L). Weakness: CWE-358. Affected Red Hat products: AMQ Clients 2026.Q3; streams for Apache Kafka 2. Red…
- Affected products in this advisory
- AMQ Clients 2026.Q3
- streams for Apache Kafka 2
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- 2.1.2
- kerb-server
- RHSA-2026:69459
- Mitigation guidance
- Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
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