CVE-2026-113671
CVE-2026-113671 · ApostropheCMS: Host header controls server-side image fetch origin in @apostrophecms/ai-helper, enabling authenticated SSRF
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ApostropheCMS is an open-source Node.js content management system. From 1.0.0-beta.10 until 1.0.0-beta.13 of the AI helper, an editor with image-generation capability can create a base64-generated image record without a stored provider URL and invoke image acceptance on a deployment using local relative storage with no trusted global base URL. The server resolves the fixed uploads path against a request-controlled Host-derived origin, enabling bounded server-side requests to an attacker-selected host, port, and HTTP origin, but not arbitrary-path retrieval or the stored-provider and absolute-storage configurations. This issue is fixed in AI helper 1.0.0-beta.13.
CVSS 4.3 · Mittel · EPSS 0,3% · Öffentlicher Exploit · Korrektur verfügbar
- Veröffentlicht
- Aktualisiert
Technologie-Stack: node
Betroffene Produkte und Versionen
apostrophe
- Softwareversionen
- >= 4.25.0, < 4.33.0: Betroffen
Keine Korrektur veröffentlicht
ai-helper
- Softwareversionen
- >= 1.0.0-beta.10, < 1.0.0-beta.13: Betroffen
Keine Korrektur veröffentlicht
@apostrophecms/ai-helper npm
- Betroffene Versionsbereiche
- SEMVER: ≥ 1.0.0-beta.10, < 1.0.0-beta.13
Auf 1.0.0-beta.13 aktualisieren
Originalquellen
- https://github.com/apostrophecms/apostrophe/security/advisories/GHSA-527g-ff96-x6wj
- https://github.com/apostrophecms/apostrophe/commit/9500b8b0e1d630d5e07fbb5fd2c25ed0943845ce
- https://github.com/apostrophecms/apostrophe/commit/f84fd41cbf6c22eb8d0008fc9c25df1f7130b350
- https://github.com/apostrophecms/apostrophe/releases/tag/@apostrophecms/[email protected]
- https://nvd.nist.gov/vuln/detail/CVE-2026-113671