๐Ÿ›ก๏ธ CVE-2026-33137
๐Ÿ”ด CVSS 9.5 โ€” Critical โœ… No Known Exploit CWE-862 NVD
9.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. XWiki Platform is a generic wiki platform. In versions starting with 15.10.6 and prior to 18.1.0-rc-1, 17.10.3, 17.4.9, and 16.10.17, the POST /wikis/{wikiName} API executes a XAR import without performing any authentication or authorization checks, allowing an unauthenticated attacker to create or update documents in the target wiki. This vulnerability has been patched in XWiki 16.10.17, 17.4.9, 17.10.3, 18.0.1 and 18.1.0-rc-1.

Details

Severity CRITICAL
CVSS Score 9.5
CVSS Vector CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CWE CWE-862
Public Exploit โœ… No
Source NVD
Published 2026-05-26
Updated 2026-06-15
Modified 2026-05-26
Fix URL N/A

Affected Packages

Software From version Fixed in
org.xwiki.platform:xwiki-platform-rest-server 18.0.0-rc-1 18.1.0-rc-1
unknown โ€” โ€”

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