CVE-2026-42140
medium
CVSS v3
4.4
CVSS v4 NEW
—
VIR risk
4.4
Description
XWiki PlantUML Macro Vulnerable to Server-Side Request Forgery (SSRF) via 'server' parameter
Predictions
Exploit likelihood
54%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Maven | org.xwiki.contrib.plantuml:macro-plantuml-macro | <2.4.1 | 2.4.1 |
| MAVEN | org.xwiki.contrib.plantuml:macro-plantuml-macro | < 2.4.1 | 2.4.1 |
References
- https://github.com/xwiki-contrib/macro-plantuml/commit/c8b19bda93058794e04c8862fc7ca85c59b5fe5c
- https://github.com/xwiki-contrib/macro-plantuml/security/advisories/GHSA-42fc-7w97-8vrc
- https://jira.xwiki.org/browse/PLANTUML-25
- https://nvd.nist.gov/vuln/detail/CVE-2026-42140
- https://github.com/xwiki-contrib/macro-plantuml
- https://github.com/advisories/GHSA-42fc-7w97-8vrc
CWEs
CWE-918
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.