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  4. CVE 2026 57915 apache kerby has a bypass the kerberos pre
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Back to active CVEs
High · CVSS 7.3CVE-2026-57915GHSA-262P-FJ3F-XH7V

Apache Kerby has a bypass the Kerberos pre-authentication checkCVE-2026-57915

Answer in brief

CVE-2026-57915 records a High severity (CVSS 7.3) vulnerability in Apache Kerby has a bypass the Kerberos pre-authentication check. The current sources do not mark it as known exploited. The current feed maps org.apache.kerby:kerb-server (maven). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Jun 26, 2026Updated Nov 3, 2026Source checked Nov 3, 2026First seen by HOL Jun 26, 2026Material review Nov 3, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.3
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 7.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps org.apache.kerby:kerb-server (maven). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
org.apache.kerby:kerb-servermaven<2.1.22.1.2

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for org.apache.kerby:kerb-server.
  2. 2Review the reported fix. Update org.apache.kerby:kerb-server to 2.1.2 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Jun 26, 2026

    Evidence: source:ghsa:source_dates:source-dates:record

  2. Source modified

    Nov 3, 2026

    Evidence: source:ghsa:source_dates:source-dates:record

  3. First seen by HOL

    Jun 26, 2026

Sources and claim methodology

  • Source referenceaccess.redhat.com
  • Source referencebugzilla.redhat.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • Source referencelists.apache.org
  • NVD vulnerability recordnvd.nist.gov
  • Source referencesecurity.access.redhat.com
  • Source referenceopenwall.com
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-304, CWE-358
Source
GitHub Security Advisories
Source checked
Nov 3, 2026
References
9 linked sources
Open source record