# CVE-2026-57915

## Summary

- **CVE ID:** CVE-2026-57915
- **Severity:** HIGH
- **CVSS Score:** 7.3 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
- **CWE:** CWE-304
- **Published:** Jun 26, 2026
- **Last Modified:** Aug 3, 2026

## Description

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

- Apache Software Foundation — Apache Kerby (0)

## References

- [CNA](https://lists.apache.org/thread/1y3glgh3kzwoxo5m2lq504cjlh1dsrfh)
- [CVE](http://www.openwall.com/lists/oss-security/2026/06/26/8)
- [redhat-SADP](https://access.redhat.com/security/cve/CVE-2026-57915)
- [redhat-SADP](https://bugzilla.redhat.com/show_bug.cgi?id=2493407)
- [redhat-SADP](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-57915.json)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.53%
- **EPSS Percentile:** 42.9

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._