What is CVE-2025-65836?

CVE-2025-65836 is a critical-severity vulnerability in Publiccms, classified under Server-Side Request Forgery (SSRF). CVSS score: 9.1/10. Published 2025-12-01.

How severe is CVE-2025-65836?

Critical severity. CVSS v3 base score is 9.1 out of 10.

SSRF in Publiccms

CVE-2025-65836

PublicCMS V5.202506.b is vulnerable to SSRF. in the chat interface of SimpleAiAdminController.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published 2025-12-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.003 (23.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 23.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Publiccms — versions 5.202506.b

Weakness classification (CWE)

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

References

github.com/sanluan/PublicCMS (Product)
github.com/Hyperkopite/PublicCMS_Vulns/blob/main/SSRF_1.md (Exploit, Third Party Advisory)
github.com/sanluan/PublicCMS/issues/99 (Exploit, Issue Tracking)

Frequently asked questions

What is CVE-2025-65836?: CVE-2025-65836 is a critical-severity vulnerability in Publiccms, classified under Server-Side Request Forgery (SSRF). CVSS score: 9.1/10. Published 2025-12-01.
How severe is CVE-2025-65836?: Critical severity. CVSS v3 base score is 9.1 out of 10.