SSRF in Otcms

CVE-2026-30637

Server-Side Request Forgery (SSRF) vulnerability exists in the AnnounContent of the /admin/read.php in OTCMS V7.66 and before. The vulnerability allows remote attackers to craft HTTP requests, without authentication, containing a URL pointing to internal services or any remote server

Vulnerability class: SSRF (Server-Side Request Forgery)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.006 (47.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-30637: held from 0.005 to 0.006.

EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-30637?
CVE-2026-30637 is a high-severity vulnerability in Otcms, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.5/10. Published 2026-03-27.
How severe is CVE-2026-30637?
High severity. CVSS v3 base score is 7.5 out of 10.