CVE-2026-104712

NVD: Asymmetric resource consumption (amplification) vulnerability in Apache Struts. NVD: When a request parameter is bound to an arbitrary-precision decimal (java.math.BigDecimal) property that is then rendered through the Struts tag library, the framework can produce a response many orders of magnitude larger than the request, allowing an... NVD: Applications that do not bind request parameters to BigDecimal properties, or never render such a property through the Struts tag library, are not affected.

Source-published summary

NVD: Asymmetric resource consumption (amplification) vulnerability in Apache Struts. NVD: When a request parameter is bound to an arbitrary-precision decimal (java.math.BigDecimal) property that is then rendered through the Struts tag library, the framework can produce a response many orders of magnitude larger than the request, allowing an... NVD: Applications that do not bind request parameters to BigDecimal properties, or never render such a property through the Struts tag library, are not affected.

Possible impact

Source describes remote exposure. Possible impact: This high severity issue needs human triage to confirm exposure, affected versions, and vendor guidance for remote exposure.

Affected context

vendor/product: apache / struts

Remediation / advisory

Patch confirmed by source text; fixed version context: 6.12.0.

Why it matters

Source describes remote exposure. Possible impact: This high severity issue needs human triage to confirm exposure, affected versions, and vendor guidance for remote exposure.; CVSS 7.5 (HIGH); EPSS percentile 60; not listed in KEV; Patch confirmed by source text; fixed version context: 6.12.0; sources: NVD, OSV, Vendor Advisory.

What to verify

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

Exposure hint

remote exposure

Impact tags

Urgency reasons

Source-derived note

Summary derived from NVD / OSV / Vendor Advisory 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

• https://nvd.nist.gov/vuln/detail/CVE-2026-104712
• https://osv.dev/vulnerability/CVE-2026-104712
• http://www.openwall.com/lists/oss-security/2026/10/05/11
• https://cwiki.apache.org/confluence/display/WW/S2-076