Vuln Signal Radar
public-safe defensive signal
HIGHpublic-safe

CVE-2026-102497

NVD: The Apache XmlSchema walker (xmlschema-walker) doesn't detect cycles in type derivation, substitution groups, model groups or attribute groups. NVD: A malicious schema with such a cycle can make the walker recurse until the stack overflows, causing a denial of service. NVD: Users are recommended to upgrade to version 2.3.3, which fixes this issue.

CVSS
7.5
Severity
HIGH
EPSS
0.0036 (28)
KEV
-

Source-published summary

NVD: The Apache XmlSchema walker (xmlschema-walker) doesn't detect cycles in type derivation, substitution groups, model groups or attribute groups. NVD: A malicious schema with such a cycle can make the walker recurse until the stack overflows, causing a denial of service. NVD: Users are recommended to upgrade to version 2.3.3, which fixes this issue.

Possible impact

Source describes service availability risk · memory safety review. Possible impact: The affected service may become unavailable or unreliable.

Affected context

Affected product or version requires source confirmation.

Remediation / advisory

Patch confirmed by source text; fixed version context: 2.3.3.

Why it matters

Source describes service availability risk · memory safety review. Possible impact: The affected service may become unavailable or unreliable.; CVSS 7.5 (HIGH); EPSS percentile 28; not listed in KEV; Patch confirmed by source text; fixed version context: 2.3.3; sources: NVD.

What to verify

Confirm affected product/version, vendor advisory, patch or mitigation, and exposure.

Exposure hint

exposure unknown

Impact tags

service availability reviewmemory safety review

Urgency reasons

CVSS HIGHvendor advisory presentrecent updateremediation reference present

Source-derived note

Summary derived from NVD description; unsafe procedural detail is not shown.

Redaction metadata

source summary used
True
fallback summary used
False
unsafe procedural detail present
false
raw source displayed
false
public summary redacted
true

Remediation handoff

Public-safe static handoff for human/Codex remediation planning. Scan, patch, external execution, and auto remediation are disabled.

Safety note

This radar shows source-published defensive context only. Exploit procedures, exploit strings, scanner commands, and auto-remediation are not provided.

Official references