Vulnerability · Published Jul 29, 2026 · Assigned by GitHub_M
CVE-2026-54082veraPDF-validatio: Use of Default `DocumentBuilderFactory` leads to XXE When Processing Untrusted PDFs
Medium 6.5
In plain English
A medium-severity XML external entity in veraPDF-validation from veraPDF. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 34% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
veraPDF validation model is an implementation of the veraPDF validation model. From 1.25.73 until 1.30.2 and 1.31.71, veraPDF-validation contains an XML External Entity vulnerability in PDFAValidator.validate(...) and GFPDAcroForm.getdynamicRender(), where default DocumentBuilderFactory parsing of rich-text annotation or form-field values and XFA configurations in untrusted PDFs can allow local file disclosure and outbound network requests. This issue is fixed in versions 1.30.2 and 1.31.71.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | org.verapdf:validation-model | 1.30.2 | GHSA-cg9x-g3gm-h5h6 |
| Maven | org.verapdf:validation-model | 1.31.71 | GHSA-cg9x-g3gm-h5h6 |
| Maven | org.verapdf:validation-model-jakarta | 1.30.2 | GHSA-cg9x-g3gm-h5h6 |
| Maven | org.verapdf:validation-model-jakarta | 1.31.71 | GHSA-cg9x-g3gm-h5h6 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| veraPDF | veraPDF-validation | >= 1.17.35, < 1.30.2>= 1.31.1, < 1.31.71 |
Weakness: CWE-611 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
References
- https://github.com/veraPDF/veraPDF-validation/security/advisories/GHSA-cg9x-g3gm-h5h6 x_refsource_CONFIRM
- https://github.com/veraPDF/veraPDF-validation/pull/730 x_refsource_MISC
- https://github.com/veraPDF/veraPDF-validation/commit/94caa46c1a594512247fbd46c808edae39469542 x_refsource_MISC
- https://github.com/veraPDF/veraPDF-validation/commit/cacd9436d0de40b0e58cc7d2dbb06451619e61ec x_refsource_MISC