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CVE-2026-54078— veraPDF Validation XXE via Rich Text

Quick assessment

Affected
veraPDF veraPDF-validation
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

veraPDF veraPDF-validation是veraPDF组织的一款PDF验证软件。 veraPDF veraPDF-validation 1.25.73版本至1.30.2之前版本和1.31.1版本至1.31.71之前版本存在输入验证错误漏洞，该漏洞源于DictionaryKeysHelper.java中的getRichTextStringOrStreamEntryStringRepresentation方法存在XML外部实体漏洞，特制PDF中的恶意rich-text /RC或/RV条目可导致外

CVSS 8.7 · High EPSS 0.56% · P44

Affected Version Matrix 2

VendorProduct Version RangeStatus
veraPDF veraPDF-validation >= 1.25.73, < 1.30.2 affected
>= 1.31.1, < 1.31.71 affected
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I. Basic Information for CVE-2026-54078

Vulnerability Information
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Vulnerability Title
veraPDF Validation XXE via Rich Text
Source: CVE Program / CVE List V5
Vulnerability 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 (XXE) vulnerability in validation-model/src/main/java/org/verapdf/gf/model/tools/DictionaryKeysHelper.java in getRichTextStringOrStreamEntryStringRepresentation(), where a crafted PDF containing a malicious rich-text /RC or /RV entry can cause external entity expansion and reflect local file contents into the validation report. This issue is fixed in versions 1.30.2 and 1.31.71.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
XML外部实体引用的不恰当限制(XXE)
Source: CVE Program / CVE List V5
Vulnerability Title
veraPDF veraPDF-validation 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
veraPDF veraPDF-validation是veraPDF组织的一款PDF验证软件。 veraPDF veraPDF-validation 1.25.73版本至1.30.2之前版本和1.31.1版本至1.31.71之前版本存在输入验证错误漏洞，该漏洞源于DictionaryKeysHelper.java中的getRichTextStringOrStreamEntryStringRepresentation方法存在XML外部实体漏洞，特制PDF中的恶意rich-text /RC或/RV条目可导致外
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
veraPDF veraPDF-validation >= 1.25.73, < 1.30.2 -

II. Public POCs for CVE-2026-54078

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Reproduced successfully in a real sandbox · Below is the actual recording of building the environment and exploiting the vulnerability.
Success marker: VULNERABLE: XXE reflected /flag.txt -> PROOF_aa973f88684c02ba (rich-text /RV entity expanded by DocumentBuilderFactory.newInstance() in DictionaryKeysHelper)
Reproduction recording is a Pro+ exclusive
Watch the full sandbox build + live exploit recording for this CVE. Limited-time ¥499/mo.
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claude_code · 7810 chars
GitHub 复现环境（可 clone 直接跑）
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
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III. Intelligence Information for CVE-2026-54078

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Patches & Fixes for CVE-2026-54078 (3)

Vendor Advisories for CVE-2026-54078 (1)

Same Patch Batch · veraPDF · 2026-07-29 · 5 CVEs total

CVE-2026-54079 8.7 HIGH veraPDF Validation XXE via XFA
CVE-2026-54080 6.9 MEDIUM veraPDF Parser DoS via PostScript CMap Streams
CVE-2026-54081 6.9 MEDIUM veraPDF Parser DoS via PostScript Type 1 Font Programs
CVE-2026-54082 6.5 MEDIUM veraPDF-validatio: Use of Default `DocumentBuilderFactory` leads to XXE When Processing Un

IV. Related Vulnerabilities

Same product: veraPDF-validation
Same vendor: veraPDF
Same weakness: CWE-611

V. Comments for CVE-2026-54078

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