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Maven

GHSA-4cx5-89vm-833x

GHSA-4cx5-89vm-833x is a XML External Entity (XXE) vulnerability in org.verapdf:core. O3 Security confirms whether GHSA-4cx5-89vm-833x is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.

veraPDF CLI has potential XXE (XML External Entity Injection) vulnerability

Also known asCVE-2024-52800
Published
Dec 2, 2024
Updated
May 14, 2026
Affected
9 pkgs
Patched
9 / 9
Exploits
None indexed

Blast Radius

9 pkgs affected
org.verapdf:coreorg.verapdf:core-jakartaorg.verapdf:core-arlingtonorg.verapdf:verapdf-libraryorg.verapdf:verapdf-library-jakartaorg.verapdf:verapdf-library-arlingtonorg.verapdf:libraryorg.verapdf:library-jakarta+1 more

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.

Description

Impact

Executing policy checks using custom schematron files via the CLI invokes an XSL transformation that may theoretically lead to a remote code execution (RCE) vulnerability.

Patches

We are currently working on a patch that will be released when ready.

Workarounds

This doesn't affect the standard validation and policy checks functionality, veraPDF's common use cases. Most veraPDF users don't insert any custom XSLT code into policy profiles, which are based on Schematron syntax rather than direct XSL transforms. For users who do, only load custom policy files from sources you trust.

References

Original issue: #1488

Affected Packages

9 total 9 fixed
EcosystemPackageVulnerable rangeFix
Mavenorg.verapdf:coreall versions1.26.2
Mavenorg.verapdf:core-jakartaall versions1.26.2
Mavenorg.verapdf:core-arlingtonall versions1.26.2
Mavenorg.verapdf:verapdf-libraryall versions1.26.2
Mavenorg.verapdf:verapdf-library-jakartaall versions1.26.2
Mavenorg.verapdf:verapdf-library-arlingtonall versions1.26.2

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.verapdf:core. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.

  2. Fix

    Update org.verapdf:core to 1.26.2 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-4cx5-89vm-833x is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

  4. How O3 protects you

    O3 pinpoints whether GHSA-4cx5-89vm-833x is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.

Tailored to GHSA-4cx5-89vm-833x. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

### Impact Executing policy checks using custom schematron files via the CLI invokes an XSL transformation that may theoretically lead to a remote code execution (RCE) vulnerability. ### Patches We are currently working on a patch that will be released when ready. ### Workarounds This doesn't affect the standard validation and policy checks functionality, veraPDF's common use cases. Most veraPDF users don't insert any custom XSLT code into policy profiles, which are based on Schematron syntax rather than direct XSL transforms. For users who do, only load custom policy files from sources you
O3 Security · Impact-Aware SCA

Is GHSA-4cx5-89vm-833x in your dependencies?

O3 detects GHSA-4cx5-89vm-833x across Maven dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.