PT-2026-28708 · Chatwoot · Chatwoot

Vuldb + 1 · Published 2026-03-27 · Updated 2026-03-28 · CVE-2026-4990

Positive Technologies (AI Summary)

CVSS v2.0

7.5

High

Base vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions chatwoot versions prior to 4.11.1

Description A security issue exists in chatwoot that allows for improper authorization. This occurs through manipulation of the signupEnabled argument with the input true within an unknown function of the /app/login file in the Signup Endpoint component. The issue can be exploited remotely. The exploit has been publicly disclosed. The vendor was contacted but did not respond.

Recommendations Update to a version later than 4.11.1.

Fix

Incorrect Privilege Assignment

Improper Authorization

Weakness Enumeration

CWE-266

CWE-285

Related Identifiers

CVE-2026-4990

Affected Products

Chatwoot

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-4990 · Security Note
• https://vuldb.com/?id.353877 · Note
• https://twitter.com/CVEnew/status/2037719356483027415 · Twitter Post
• https://vuldb.com/?submit.772515 · Note
• https://vuldb.com/?ctiid.353877 · Note