What is CVE-2026-53607?

CVE-2026-53607 is a low-severity vulnerability in Apostrophecms Apostrophe, classified under Server-Side Request Forgery (SSRF). CVSS score: 3.7/10. Published 2026-06-12.

How severe is CVE-2026-53607?

Low severity. CVSS v3 base score is 3.7 out of 10.

SSRF in Apostrophecms Apostrophe

CVE-2026-53607

ApostropheCMS is an open-source Node.js content management system. In versions up to and including 4.30.0, when `prettyUrls: true` is enabled on `@apostrophecms/file` (a documented SEO feature for serving uploaded files at clean URLs), the…

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.002 (13.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Apostrophecms Apostrophe — versions <= 4.30.0

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-53607?: CVE-2026-53607 is a low-severity vulnerability in Apostrophecms Apostrophe, classified under Server-Side Request Forgery (SSRF). CVSS score: 3.7/10. Published 2026-06-12.
How severe is CVE-2026-53607?: Low severity. CVSS v3 base score is 3.7 out of 10.