What is CVE-2026-45013?

CVE-2026-45013 is a high-severity vulnerability in Apostrophecms Apostrophe, classified under Improper Input Validation. CVSS score: 8.1/10. Published 2026-06-12.

How severe is CVE-2026-45013?

High severity. CVSS v3 base score is 8.1 out of 10.

Improper input validation in Apostrophecms Apostrophe

CVE-2026-45013

ApostropheCMS is an open-source Node.js content management system. Versions up to and including 4.29.0 have a password reset flow that constructs the reset URL using `req.hostname`, which is derived directly from the attacker-controlled HT…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.003 (16.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N.

Affected products

Apostrophecms Apostrophe — versions <= 4.29.0

Weakness classification (CWE)

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-45013?: CVE-2026-45013 is a high-severity vulnerability in Apostrophecms Apostrophe, classified under Improper Input Validation. CVSS score: 8.1/10. Published 2026-06-12.
How severe is CVE-2026-45013?: High severity. CVSS v3 base score is 8.1 out of 10.