stoatchat versions before 0.7.8 fail to enforce account creation restrictions including invite-only mode, email verification, captcha, and shield verification. Attackers can create unlimited accounts with unverified email addresses, increasing denial-of-service risk and compromising service integrity.
https://www.vulncheck.com/advisories/stoatchat-before-unrestricted-account-creation
https://github.com/stoatchat/stoatchat/security/advisories/GHSA-f26h-rqjq-qqjq
https://github.com/stoatchat/stoatchat/commit/eda36436a862bcab92f7ac2cf1c2dd88c41e52a4
Published: 2026-07-16
Updated: 2026-07-18
Base Score: 6.4
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:P
Severity: Medium
Base Score: 6.5
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Severity: Medium
Base Score: 6.9
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
Severity: Medium
EPSS: 0.00259