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Back to active CVEs
Medium · CVSS 5.4CVE-2026-84232

Pulpcore: python-pulpcore: stored cross-site scripting via inline rendering of uploaded html/svg contentCVE-2026-84232

Answer in brief

CVE-2026-84232 records a Medium severity (CVSS 5.4) vulnerability in Pulpcore: python-pulpcore: stored cross-site scripting via inline rendering of uploaded html/svg content. The current sources do not mark it as known exploited. The current feed maps Red Hat/python3.12-pulpcore (generic), Red Hat/python-pulpcore (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 Sep 1, 2026Updated Sep 17, 2026Source checked Oct 16, 2026First seen by HOL Sep 1, 2026Material review Sep 17, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 5.4
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 5.4. 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 Red Hat/python3.12-pulpcore (generic), Red Hat/python-pulpcore (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Red Hat/python3.12-pulpcoregeneric*Not reported
Red Hat/python-pulpcoregeneric*Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Red Hat/python3.12-pulpcore, Red Hat/python-pulpcore.
  2. 2Review the reported fix. Source-reported workaround: If immediate update is not possible, administrators can add security headers to the Apache reverse proxy configuration for the /pulp/content/ path. On Satellite, add the following to the Apache configuration (e.g., via a custom .conf file in /etc/httpd/conf.d/ or via a Puppet override): ``` <Location /pulp/content> Header set Content-Disposition "attachment" Header set X-Content-Type-Options "nosniff" Header set Content-Security-Policy "default-src 'none'; sandbox" </Location> ``` This forces all content downloads rather than inline rendering, and blocks script execution even if Content-Disposition is somehow bypassed. After applying, restart Apache: ```systemctl restart httpd``` Alternatively, restrict file upload permissions in Satellite to only trusted users who require content management capabilities.

Evidence timeline and material changes

  1. Published upstream

    Sep 1, 2026

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

  2. Source modified

    Sep 17, 2026

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

  3. First seen by HOL

    Sep 1, 2026

Sources and claim methodology

  • Source referenceaccess.redhat.com
  • Source referencebugzilla.redhat.com
Upstream source description

A flaw was found in pulpcore's content serving application. Files uploaded to Pulp file-type repositories are served with their original content type (e.g., text/html for .html files, image/svg+xml for .svg files) and without a Content-Disposition: attachment header when using local filesystem storage. An authenticated user or attacker with content upload permissions can upload a specially crafted HTML or SVG file containing JavaScript, which executes in the browser of any user who visits the file URL, resulting in stored cross-site scripting (XSS) in the context of the host application.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • ZoneMinder: Authenticated OS Command Injection (RCE) via Export FeatureSame generic ecosystem
  • ZoneMinder: Authenticated OS Command Injection via unsanitized Monitor Name in event export (download_functions.php)Same generic ecosystem
  • JavaCV: Integer Overflow in IPCameraFrameGrabber Causes Infinite-Loop DoSSame generic ecosystem
  • IBM i is Affected By An Improper Privilege Management VulnerabilitySame generic ecosystem
  • LoopX serve-status permissive CORS policy exposes control-plane state and private Markdown filesSame generic ecosystem
  • ERPNext: Unauthorised access to financial data due to missing validationSame generic ecosystem

Record context

Vulnerability class
XSS
EPSS
Not reported
CWE IDs
CWE-79
Source
CVE List V5
Source checked
Oct 16, 2026
References
2 linked sources
Open source record