veraPDF-validatio: Use of Default `DocumentBuilderFactory` leads to XXE When Processing Untrusted PDFs

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-54082
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-29 16:17:53 UTC
Updated2026-07-29 16:17:53 UTC
DescriptionveraPDF 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.

Risk And Classification

Primary CVSS: v3.1 6.5 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Problem Types: CWE-611 | CWE-611 CWE-611: Improper Restriction of XML External Entity Reference

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
3.1CNADECLARED6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA VeraPDF VeraPDF-validation affected >= 1.17.35, < 1.30.2 Not specified
CNA VeraPDF VeraPDF-validation affected >= 1.31.1, < 1.31.71 Not specified

References

ReferenceSourceLinkTags
github.com/veraPDF/veraPDF-validation/pull/730 [email protected] github.com
github.com/veraPDF/veraPDF-validation/commit/94caa46c1a594512247fbd46c80... [email protected] github.com
github.com/veraPDF/veraPDF-validation/commit/cacd9436d0de40b0e58cc7d2dbb... [email protected] github.com
github.com/veraPDF/veraPDF-validation/security/advisories/GHSA-cg9x-g3gm... [email protected] github.com
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