XXE (XML External Entity) in org.verapdf:validation-model (CVE-2026-54079)
Summary
Vulnerability in org.verapdf:validation-model (CVE-2026-54079). Risk of unauthorized operations or information disclosure. Exploitable via DocumentBuilderFactory. Mitigation: upgrade to 1.31.71 or later.
Original description
The description as published by the source.
veraPDF validation provides PDF/A and PDF/UA validation, feature reporting, and metadata repair. From 1.17.35 until 1.30.2 and 1.31.71, veraPDF-validation contains an XML External Entity (XXE) vulnerability in validation-model/src/main/java/org/verapdf/gf/model/impl/pd/GFPDAcroForm.java in the getdynamicRender() method, where a crafted PDF containing a malicious XFA stream can cause external entity expansion during PDF/UA-1 validation and allow local file disclosure or outbound server-side requests. This issue is fixed in versions 1.30.2 and 1.31.71.
Source: GitHub Security Advisories (Global) NVD GitHub Advisory
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2026-54079 has been found in org.verapdf:validation-model.
Attackers can target a specific entry point like DocumentBuilderFactory over the network to misuse the product.
Risk of unauthorized operations or information disclosure.
What to do: upgrade org.verapdf:validation-model to 1.31.71 or later.
If unsure, ask your IT team or search "org.verapdf:validation-model CVE-2026-54079" on the vendor's site.
CVE-2026-54079 (org.verapdf:validation-model) — CWE-611
Attack surface: DocumentBuilderFactory
Patched: 1.31.71 — apply immediately
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
A vulnerability (CWE-611) exists in org.verapdf:validation-model. Attackers reach the vulnerable code path via DocumentBuilderFactory.
Check the vendor advisory for the affected versions of org.verapdf:validation-model. Attack surface: DocumentBuilderFactory.
Severity: ?. Risk of unauthorized operations or information disclosure.
Update to 1.31.71.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで org.verapdf:validation-model を使っているサービスとバージョンを洗い出す。
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2Apply patch patch
Upgrade org.verapdf:validation-model to 1.31.71ステージング環境で 1.31.71 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスを含めること。
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3Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
Affected packages
References
- advisory github.com
- advisory github.com
- advisory nvd.nist.gov
- package github.com
- patch github.com
- patch github.com
- patch github.com
- web github.com