PT-2026-22161 · Fastcms · Fastcms

Sorzs · Published 2026-02-26 · Updated 2026-03-03 · CVE-2026-26682

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions fastCMS versions prior to 0.1.6

Description An issue exists in fastCMS that allows a local attacker to execute arbitrary code via the PluginController.java component.

Recommendations Update to version 0.1.6 or later.

Exploit

Fix

Code Injection

Weakness Enumeration

CWE-94

Related Identifiers

CVE-2026-26682

Affected Products

Fastcms

References · 6

• 🔥 https://github.com/sorzs/test/tree/main/fastcms-rce · Exploit
• https://osv.dev/vulnerability/CVE-2026-26682 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-26682 · Security Note
• https://twitter.com/cracbot/status/2028787671783592085 · Twitter Post
• https://gist.github.com/sorzs/e3913b814e2e5548aa66de6c25b0510a · Note
• https://twitter.com/CVEnew/status/2027099260546941408 · Twitter Post