CVE-2026-54082 json
veraPDF-validatio: Use of Default `DocumentBuilderFactory` leads to XXE When Processing Untrusted PDFs
published 2026-07-29 3 mo ago modified 2026-10-23 16 d ago also GHSA-cg9x-g3gm-h5h6 , EUVD-2026-50370
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 33%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- maven org.verapdf:validation-model 1.30.2, 1.31.71
- maven org.verapdf:validation-model-jakarta 1.30.2, 1.31.71
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 3 mo ago
Exploit prediction
0.40% chance of exploitation in the next 30 days, higher than 33% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |
| GitHub | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | org.verapdf:validation-model | >=1.17.35, <1.30.2 >=1.31.1, <1.31.71 |
1.30.2 1.31.71 |
| maven | org.verapdf:validation-model-jakarta | >=1.17.35, <1.30.2 >=1.31.1, <1.31.71 |
1.30.2 1.31.71 |
Affected products
- veraPDF veraPDF-validation
Classification
- Weakness
-
- CWE-611 Improper Restriction of XML External Entity Reference
References
-
github.com
/veraPDF/veraPDF-validation/pull/730
web
-
github.com
/veraPDF/veraPDF-validation/commit/94caa46c1a594512247fbd46c808edae39469542
web
-
github.com
/veraPDF/veraPDF-validation/commit/cacd9436d0de40b0e58cc7d2dbb06451619e61ec
web
-
github.com
/veraPDF/veraPDF-validation/security/advisories/GHSA-cg9x-g3gm-h5h6
web
-
github.com
/veraPDF/veraPDF-validation
package
Sources
- CVE List CVE-2026-54082
- GitHub Advisory GHSA-cg9x-g3gm-h5h6
- NVD CVE-2026-54082
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