CVE-2026-45012
HighCVSS 7.6Exploitation Probability (EPSS)
Low risk8th percentile - higher than 8% of all known CVEs
Summary
ApostropheCMS is an open-source Node.js content management system. Versions up to and including 4.29.0 contain an authenticated server-side request forgery (SSRF) in the rich-text widget import flow, allowing an attacker to force the server to fetch attacker-controlled URLs.
Risk Assessment
An authenticated user can exploit this vulnerability to exfiltrate data by fetching malicious content, which can then be persisted and re-hosted by ApostropheCMS.
Recommendation
It is recommended to upgrade to the latest version of ApostropheCMS as soon as a patch is released. Meanwhile, restrict access to widget editing features to trusted users.
Original NVD description (English source)
ApostropheCMS is an open-source Node.js content management system. Versions up to and including 4.29.0 contain an authenticated server-side request forgery (SSRF) in the rich-text widget import flow. An authenticated user who can submit/edit rich-text widget content can cause the server to fetch attacker-controlled URLs during widget validation. For image-compatible responses, the fetched content can be persisted and re-hosted by Apostrophe, allowing response exfiltration. As of time of publication, no known patched versions are available.