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  4. CVE 2026 76572 pkp pkp lib xsltransformerphp transformphp xml
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Back to active CVEs
Medium · CVSS 4.7CVE-2026-76572

pkp pkp-lib XSLTransformer.php _transformPHP xml external entity reference

Answer in brief

CVE-2026-76572 records a Medium severity (CVSS 4.7) vulnerability in pkp pkp-lib XSLTransformer.php _transformPHP xml external entity reference. The current sources do not mark it as known exploited. The current feed maps pkp/pkp-lib (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 19, 2026Updated Aug 20, 2026Source checked Oct 3, 2026First seen by HOL Aug 19, 2026Material review Aug 20, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 4.7
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 4.7. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps pkp/pkp-lib (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
pkp/pkp-libgeneric3.3.0-22 || 3.4.0-10 || 3.5.0-4Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for pkp/pkp-lib.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Aug 19, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Aug 20, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Aug 19, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • Source referencevuldb.com
  • Source referencevuldb.com
  • Source referencevuldb.com
  • Source referencevuldb.com
Upstream source description

A vulnerability was detected in pkp pkp-lib up to 3.3.0-22/3.4.0-10/3.5.0-4. The affected element is the function _transformPHP of the file classes/xslt/XSLTransformer.php. The manipulation results in xml external entity reference. The attack can be executed remotely. Upgrading to version 3.3.0-23, 3.4.0-11 and 3.5.0-5 is sufficient to fix this issue. The patch is identified as 78c699370ea43ae2784e1c4ace7c947d207f2b47. Upgrading the affected component is advised.

Quoted source text, attributed separately from HOL analysis.

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Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-611, CWE-610
Source
CVE List V5
Source checked
Oct 3, 2026
References
8 linked sources
Open source record