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TI-2026-65408 Aliases CVE-2026-102495GHSA-p4rx-69jj-g5w2

Apache XMLSchema: Denial of service through unbounded recursion when resolving schema imports and includes

Priority LOW 39CWE-674Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 1 fixed, 6 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-674.

Summary

Apache XmlSchema doesn't limit how deeply schema imports and includes can be nested, so a malicious schema can make parsing recurse until the stack overflows. This causes a denial of service. Users are recommended to upgrade to version 2.3.3, which fixes this issue.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00528 44th percentileScored 2026-11-07
Fix Partial Apache XMLSchema (Apache Software Foundation): 2.3.3Red Hat: 1 advisoryRed Hat: 1 fixed, 6 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ApacheApache XMLSchemabefore 2.3.32.3.3Patch availableCNA
  • Apache XMLSchema VendorApache Affected before 2.3.3 Fixed in 2.3.3 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:apache:xmlschema:*:*:*:*:*:*:*:*before 2.3.3VulnerableApache
  • cpe:2.3:a:apache:xmlschema:*:*:*:*:*:*:*:* Versions before 2.3.3 Vulnerable ·Apache

Remediation

  • Fix · CNA Apache XMLSchema (Apache Software Foundation) Fixed in 2.3.3

Red Hat 1 advisory

  • RHSA-2026:83670 Released 2026-10-15 · Red Hat rating Important
    Red Hat Build of Apache Camel 4.18 for Quarkus 3.33 update is now available (RHBQ 3.33.4.GA)
    • Red Hat Build of Apache Camel 3.33.4.redhat com.fasterxml.jackson.core.jackson-core-2.21.7.redhat-00001.jar, com.fasterxml.jackson.core.jackson-databind-2.21.7.redhat-00001.jar, io.micrometer.micrometer-core-1.16.7.redhat-00002.jar +14

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Apache XMLSchema 2.3.3

    3 records Highest priority Priority LOW 3 LOW

    Other records, highest priority first

    • TI-2026-65410 Apache XMLSchema: Denial of service through cyclic schema definitions in the schema walkerPriority LOW 39
    • TI-2026-65409 Apache XMLSchema: Denial of service through deeply nested schema structuresPriority LOW 39
    Show all 3 records →

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat JBoss Enterprise Application Platform 7AffectedNo fix planned: Will not fix
Red Hat JBoss Enterprise Application Platform 8AffectedNo fix yet
Red Hat OpenShift AI (RHOAI)AffectedNo fix yet
Red Hat Single Sign-On 7AffectedNo fix planned: Will not fix
Red Hat build of Apache Camel 4 for Quarkus 3AffectedNo fix yet
Red Hat build of Apache Camel for Spring Boot 4AffectedNo fix yet
Red Hat Build of Apache Camel 3.33.4.redhatFixed RHSA-2026:83670
Not affected: 4 products
  • Red Hat Build of Apache Camel 3.33.4.redhat
  • Red Hat Fuse 7
  • Red Hat JBoss Enterprise Application Platform Expansion Pack
  • Red Hat OpenShift AI (RHOAI)

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-102495
  2. 2026-10-03 Alias added: GHSA-p4rx-69jj-g5w2
  3. 2026-10-06 Affected versions changed · Red Hat
  4. 2026-10-16 Affected versions changed · Red Hat
  5. 2026-11-06 Fix available: Red Hat Build of Apache Camel 3.33.4.redhat · Red Hat
  6. 2026-11-06 Fix available: RHSA-2026:83670 · Red Hat

References

Advisory 2

  • TI-2026-65410 Apache XMLSchema: Denial of service through cyclic schema definitions in the schema walker CVSS 3.1HIGH 7.5
  • TI-2026-65409 Apache XMLSchema: Denial of service through deeply nested schema structures CVSS 3.1HIGH 7.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences