Back to CVE records
High 7.3Published Jun 26, 2026
CVE-2026-57915Apache Kerby: Kerberos Pre-Authentication Bypass
Updated under an hour ago ()
Does this affect you?
It affects Apache Software Foundation Apache Kerby and 5 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Start free and add your stack
Free account, 1 product
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.
- CVSS
- 7.3 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- Weakness (CWE)
- CWE-304, CWE-358
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- apache
- NVD analysis
- Deferred
- Record last updated
- Aug 3, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Apache Software Foundation Apache Kerby apache_software_foundation:apache_kerby (from the name) | before 2.1.2 | CNA record |
Red Hat Red Hat AMQ Clients redhat:amq_clients | 2023 | CISA ADP |
Red Hat Red Hat Data Grid 8 redhat:jboss_data_grid | 8 | CISA ADP |
Red Hat Red Hat Fuse 7 redhat:jboss_fuse | 7 | CISA ADP |
Red Hat Red Hat JBoss Enterprise Application Platform Expansion Pack redhat:jbosseapxp | Versions not stated | CISA ADP |
Red Hat streams for Apache Kafka 2 redhat:amq_streams | 2 | CISA ADP |
References
- https://lists.apache.org/thread/1y3glgh3kzwoxo5m2lq504cjlh1dsrfhvendor-advisory
- http://www.openwall.com/lists/oss-security/2026/06/26/8
- https://access.redhat.com/security/cve/CVE-2026-57915
- https://bugzilla.redhat.com/show_bug.cgi?id=2493407
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-57915.json
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.