CVE-2026-27198 is a critical authorization bypass vulnerability affecting Formwork CMS versions 2.0.0 through 2.3.3. An authenticated user with lower privileges, such as an editor, can exploit this flaw to create new accounts with administrative access, leading to full compromise of the CMS. This vulnerability carries a CVSS score of 8.8 (High) due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While no active exploitation, public exploit code, or significant community discussion has been observed, organizations using affected Formwork versions should upgrade to 2.3.4 immediately to mitigate this risk.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 2.0.0, < 2.3.4CPE matchmatch criteria | cpe:2.3:a:formwork_project:formwork:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.