Vulnerability details
CVE-2026-38429
CVSS 3.1
9.8Critical
Official description
OpenCMS v20 and before is vulnerable to XML External Entity (XXE) in the Admin Import DB feature due to insecure XML parsing of user supplied .zip files containing a manifest.xml.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.8Critical | 3.1 | CISA ADP / Vulnrichment (CISA-ADP) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| No product information recorded. | |||
References and advisories
1
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Details
- Published
- 2026-05-05
- Last updated
- 2026-05-06
- State
- Published
- Assigner (CNA)
- mitre
Exploit prediction (EPSS)
0.3%
Probability of exploitation in 30 days
22.8%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-611Improper Restriction of XML External Entity Reference