CVE-2026-88920

Summary

An authentication bypass in the DOM security processor in Apache WSS4J allows unauthenticated remote attackers to forge authenticated SOAP messages via a crafted unsigned SAML sender-vouches assertion containing an attacker-controlled key.

Users are recommended to upgrade to versions 4.0.2 or 3.0.6 or 2.4.4, which fix this issue.

Affected Software

VendorProductVersion RangeStatus
Apache Software FoundationApache WSS4J4.0.0 < 4.0.2affected
Apache Software FoundationApache WSS4J3.0.0 < 3.0.6affected
Apache Software FoundationApache WSS4J0 < 2.4.4affected

Weaknesses

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: total

References