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CVE-2026-92121 In the WSS4J streaming (StAX) code, a signature reference using the WS-Security STR-Transform leaves an internal "inside…
Description
In the WSS4J streaming (StAX) code, a signature reference using the WS-Security STR-Transform leaves an internal "inside signed content" flag permanently set. The WS-SecurityPolicy enforcer uses that flag to decide whether an element needs checking, so it stops evaluating SignedParts and SignedElements for the rest of the message. A policy requiring the SOAP Body to be signed is then satisfied even when the Body carries no signature, removing the protection against XML Signature Wrapping. Signature verification itself is unaffected. The DOM code is not affected. Users are recommended to upgrade to versions 4.0.2 or 3.0.6 or 2.4.4 which fix this issue.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Apache WSS4J 4.0 | 4.0.0 → < 4.0.2 | 4.0.2 |
| Apache WSS4J 3.0 | 3.0.0 → < 3.0.6 | 3.0.6 |
| Apache WSS4J 2.4 | earliest → < 2.4.4 | 2.4.4 |
Other CVEs of Apache WSS4J
The 7 CVEs of Apache WSS4J →
CVE-2026-95616
An integer overflow in WSS4J's DER bounds check lets an oversized allocation pass validation
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CVE-2026-92899
Apache WSS4J remembers the Nonce of each UsernameToken it accepts, so a captured token cannot be reused
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CVE-2026-89238
WSS4J EncryptedHeader child confusion could promote an attacker-controlled plaintext element as the decrypted header,…
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CVE-2026-88920
An authentication bypass in the DOM security processor in Apache WSS4J allows unauthenticated remote attackers to…
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