Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2021-40690

CVE-2021-40690HIGH

Apache Software Foundation Apache Santuario — Bypass of the secureValidation property

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   N  U  H  N  N    7.5   .0744   94.4     —

AFFECTED
  Product           Versions                 Fixed
  Apache Santuario  XML Security for Java –  —

TIMELINE
  Sep 8   Reserved by apache
  Sep 19  Published (CNA: apache)
  Oct 8   ENRICHED — CVE-2021-40690 (Apache Software Foundation Apache Santuario). Received CVSS 7.5 and CPE data from NVD.

CWE-200 · CNA: apache · CVSS v3.1 · 14 references · NVD status: Modified

Description

All versions of Apache Santuario - XML Security for Java prior to 2.2.3 and 2.1.7 are vulnerable to an issue where the "secureValidation" property is not passed correctly when creating a KeyInfo from a KeyInfoReference element. This allows an attacker to abuse an XPath Transform to extract any local .xml files in a RetrievalMethod element.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
September 8, 2021	Reserved	Reserved by apache
September 19, 2021	Published	Published (CNA: apache)
October 8, 2026	ENRICHED	ENRICHED — CVE-2021-40690 (Apache Software Foundation Apache Santuario). Received CVSS 7.5 and CPE data from NVD.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Apache Software Foundation	Apache Santuario	—	XML Security for Java	—

Weaknesses

CWE-200

References (14)

Authoritative record: CVE-2021-40690 at cve.org

Vendors: apache

Weaknesses: CWE-200

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2021-40690 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.