What is CVE-2026-55807?

CVE-2026-55807 is a low-severity vulnerability in Drupal, classified under Server-Side Request Forgery (SSRF). CVSS score: 3.1/10. Published 2026-07-10.

How severe is CVE-2026-55807?

Low severity. CVSS v3 base score is 3.1 out of 10.

SSRF in Drupal

CVE-2026-55807

Server-Side Request Forgery (SSRF) vulnerability in Drupal Drupal core allows Server Side Request Forgery. This issue affects Drupal core versions: from 0.0.0 to 10.5.12, from 10.6.0 to 10.6.11, from 11.2.0 to 11.2.14, from 11.3.0 to 11.3.12, from 0.0.0 to 11.0.*, from 0.0.0 to 11.1.*.

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.002 (12.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Drupal
Drupal Core — versions 0.0.0, 10.6.0, 11.2.0

Weakness classification (CWE)

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

References

mlhess@drupal.org (Vendor Advisory)

Frequently asked questions

What is CVE-2026-55807?: CVE-2026-55807 is a low-severity vulnerability in Drupal, classified under Server-Side Request Forgery (SSRF). CVSS score: 3.1/10. Published 2026-07-10.
How severe is CVE-2026-55807?: Low severity. CVSS v3 base score is 3.1 out of 10.