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Lektor 3.3.14 CSRF via Admin API Endpoints

Type: advisorySource: Official CVE List1 source record

Lektor 3.3.14 and 3.4.0b15 contains a cross-site request forgery vulnerability in the admin API blueprint that allows unauthenticated attackers to perform state-changing actions by sending cross-origin requests without CSRF tokens, Origin/Referer validation, CORS configuration, or Host allowlisting. Attackers can exploit the newattachment, deleterecord, build, clean, and publish endpoints from a malicious web page to write arbitrary files, delete pages, wipe build output, trigger deployment publication, and via DNS rebinding reach read endpoints to disclose data.

Announced Source revision 1
Original source ↗

CVE-2026-104059

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-2026-104059

lektor

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.

[
  {
    "repo": "https://github.com/lektor/lektor",
    "vendor": "lektor",
    "product": "lektor",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "versionType": "semver",
        "lessThanOrEqual": "3.3.14"
      },
      {
        "status": "affected",
        "version": "3.4.0b1",
        "versionType": "custom",
        "lessThanOrEqual": "3.4.0b15"
      }
    ],
    "packageURL": "pkg:github/akhilrex/podgrab",
    "defaultStatus": "unknown"
  }
]
Related CVEs
CVE-2026-104059

Source reference: /cveMetadata/cveId

Publisher severity

high

Source reference: /containers/cna/metrics

Event
#17206 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement