Missing Authorization Affecting org.xwiki.platform:xwiki-platform-rest-server package, versions [15.10.16,16.10.17)[17.0.0-rc-1,17.4.9)[17.5.0,17.10.3)[18.0.0-rc-1,18.0.1)[18.1.0-rc-1,18.1.0)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-JAVA-ORGXWIKIPLATFORM-16786851
- published21 May 2026
- disclosed20 May 2026
- creditSho Odagiri
Introduced: 20 May 2026
CVE-2026-33137 (opens in a new tab)How to fix?
Upgrade org.xwiki.platform:xwiki-platform-rest-server to version 16.10.17, 17.4.9, 17.10.3, 18.0.1, 18.1.0 or higher.
Overview
Affected versions of this package are vulnerable to Missing Authorization in the POST /wikis/{wikiName} endpoint. An attacker can create or update documents in the target wiki by sending unauthenticated requests to the affected REST endpoint.