SQL injection in Discourse - #VU140658
Published: August 1, 2026
Vulnerability identifier: #VU140658
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-89
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to disclose sensitive information.
The vulnerability exists due to SQL injection in the Data Explorer parameter interpolation logic when processing parameterized queries. A remote user can supply crafted parameter values to disclose sensitive information.
Queries execute in a read-only transaction, so database contents can be read but not modified.
Affected software
Discourse
Remediation
Install security update from vendor's website.
Discourse - addressed in versions 2026.1.7, 2026.6.2, 2026.7.1