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TI-2026-62052 Aliases CVE-2026-91863GHSA-wr93-w764-3636

Apache Neethi: Uncontrolled recursion while parsing crafted WS-Policy documents allows denial of service

Priority MEDIUM 40CWE-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, 5 without a fix

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

Summary

A specially crafted WS-Policy document with deeply nested policy elements can bypass Neethi's nesting-depth limit and exhaust the thread stack, crashing the parser (denial of service). Users are recommended to upgrade to version 3.2.4, which fixes this issue.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00758 55th percentileScored 2026-11-07
Fix Partial Apache Neethi (Apache Software Foundation): 3.2.4Red Hat: 1 advisoryRed Hat: 1 fixed, 5 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 Neethibefore 3.2.43.2.4Patch availableCNA
  • Apache Neethi VendorApache Affected before 3.2.4 Fixed in 3.2.4 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:apache:neethi:*:*:*:*:*:*:*:*before 3.2.4VulnerableApache
  • cpe:2.3:a:apache:neethi:*:*:*:*:*:*:*:* Versions before 3.2.4 Vulnerable ·Apache

Remediation

  • Fix · CNA Apache Neethi (Apache Software Foundation) Fixed in 3.2.4

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 Neethi 3.2.4

    5 records Highest priority Priority MEDIUM 4 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2026-62055 Apache Neethi: Crafted policies cause unbounded work during intersection leading to denial of servicePriority MEDIUM 40
    • TI-2026-62054 Apache Neethi: Crafted policy references cause exponential expansion during normalization leading to denial of servicePriority MEDIUM 40
    • TI-2026-62053 Apache Neethi: Crafted WS-Policy documents bypass element/attribute limits causing memory exhaustionPriority MEDIUM 40
    Show all 5 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 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: 3 products
  • Red Hat Build of Apache Camel 3.33.4.redhat
  • Red Hat Fuse 7
  • Red Hat JBoss Enterprise Application Platform Expansion Pack

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-91863
  2. 2026-10-03 Alias added: GHSA-wr93-w764-3636
  3. 2026-10-05 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-2026-62055 Apache Neethi: Crafted policies cause unbounded work during intersection leading to denial of service CVSS 3.1HIGH 7.5
  • TI-2026-62054 Apache Neethi: Crafted policy references cause exponential expansion during normalization leading to denial of service CVSS 3.1HIGH 7.5
  • TI-2026-62053 Apache Neethi: Crafted WS-Policy documents bypass element/attribute limits causing memory exhaustion CVSS 3.1HIGH 7.5
  • TI-2026-47067 Apache Neethi: Remote PolicyReference fetch lacks resource bounds CVSS 3.1HIGH 7.5
  • TI-2026-47066 Apache Neethi: Missing global alternative-output budget across policy computation paths CVSS 3.1HIGH 7.5
  • TI-2026-47065 Apache Neethi: Uncontrolled recursion in policy processing CVSS 3.1HIGH 7.5
See all 10 →

Sources

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