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CVE-2026-103521

Type: advisorySource: Official CVE List1 source record

In Thelia v2.6.0, the document upload endpoint properly blocks the upload of executable file types, but the document update endpoint does not perform the same validation. An attacker with administrative Thelia permissions can exploit this vulnerability to upload arbitrary executable files, such as malicious PHP scripts, to achieve remote code execution on the underlying server.

Announced Group revision 1
Original source ↗

CVE-2026-103521

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-2026-103521

Thelia

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": "Thelia",
    "product": "Thelia",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "versionType": "custom",
        "lessThanOrEqual": "2.6.0"
      }
    ]
  }
]
Related CVEs
CVE-2026-103521

Source reference: /cveMetadata/cveId

Publisher severity

No explicit severity was provided.

Event
#17076 · Revision 1
Added to Heist Feed
Publisher date
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