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CVE-2026-101296

Apache Tomcat: JNDIRealm bind credential validation fails open for non-GSSAPI SASL mechanisms

CVSS score

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EPSS probability

—

Risk score

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Published

4 h ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Patch status has not yet been verified

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Vulnerability description

DayBreach AI Explanation

Verified against sources

Apache Tomcat JNDIRealm Credential Validation Vulnerability

Sources read

1

Source agreement

Tam uyum

Evidence confidence

%55

Short explanation

A missing critical authentication step vulnerability affects Apache Tomcat when the JNDI realm is configured with a non-GSSAPI SASL authentication mechanism S0. This flaw allows attackers to authenticate without supplying the correct password S0.

Why does it matter?

This vulnerability matters because it bypasses standard authentication checks, allowing potential unauthorized access to systems running affected software versions S0.

What should be done?

  • Follow vendor advisories and official guidance S0
  • Upgrade to recommended fixed versions when available S0
Chain of evidence and sources2 verified claims

Apache Tomcat JNDI realm yapılandırmasında non-GSSAPI SASL mekanizmaları kullanıldığında parola doğrulaması başarısız olmaktadır S0.

S0 · daybreach-canonicalS1 · cvelist

Zafiyet 11.0.0-M1 ile 11.0.26, 10.1.0-M1 ile 10.1.60 ve 9.0.0.M1 ile 9.0.122 arasındaki sürümleri etkilemektedir S0.

S0 · daybreach-canonicalS1 · cvelist
Show the technical text from the sources

A missing critical step in authentication vulnerability in Apache Tomcat when the JNDI realm was configured with with a non GSSAPI SASL authentication mechanism allowed attackers to authenticate without providing the correct password. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.26, from 10.1.0-M1 through 10.1.60, from 9.0.0.M1 through 9.0.122. The following versions were EOL at the time the CVE was created but are known to be affected: from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Other unsupported versions may also be affected. Users are recommended to upgrade to version 11.0.27, 10.1.61 or 9.0.123, which fix the issue.

CWE: CWE-304

This explanation was compiled automatically from the source records. Scores, active exploitation, patch and exploit status come straight from the sources.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-101296 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1Apache Software FoundationApache Tomcat View
Total affected vendors: 1|Products: 1

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
The sources have not yet published a verified CVSS metric.

Patch and Remediation Guide

Solution & Remediation Advisory

Patch status unknown

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Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-101296 is associated with the following CWEs:

CWE-304: Common Weakness Enumeration Entry CWE-304

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-101296 weaknesses.

CAPEC-66: SQL InjectionCAPEC-126: Path TraversalCAPEC-28: OS Command Injection

Official Sources and Advisories

https://lists.apache.org/thread.html/bl52b9go9ckoov8x4v3dt6rkm573cygdvendor-advisory

Yama durumu bilinmiyor

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Follow the vendor

AS
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Apache Software Foundation

Weakness Type (CWE & CAPEC)

CWE-304

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CVE-2026-101296 · Apache Tomcat: JNDIRealm bind credential…