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Apache Cocoon: XEE could lead to SSRF and information disclosure

Type: advisorySource: Official CVE List1 source record

** UNSUPPORTED WHEN ASSIGNED ** Improper restriction of recursive entity references in DTDs ('XML entity expansion') vulnerability in Apache Cocoon. This issue affects Apache Cocoon: all versions. XEE in the fp: form processor could lead to SSRF, including exposing files from the server to an untrusted external system As this project is retired, we do not plan to release a version that fixes this issue. Users are recommended to find an alternative or restrict access to the instance to trusted users. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

Announced Source revision 1
Original source ↗

CVE-2026-108086

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-108086

Apache Cocoon

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "vendor": "Apache Software Foundation",
    "product": "Apache Cocoon",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "versionType": "semver",
        "lessThanOrEqual": "*"
      }
    ],
    "packageURL": "pkg:software-id/apache.org/cocoon",
    "defaultStatus": "unaffected"
  }
]
Related CVEs
CVE-2026-108086

Source reference: /cveMetadata/cveId

Publisher severity

No explicit severity was provided.

Event
#42442 · Revision 1
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Publisher date
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