SQL injection in Spring AI - CVE-2026-40978
Published: April 27, 2026
Vulnerability identifier: #VU128239
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-40978
CWE-ID: CWE-89
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary SQL queries.
The vulnerability exists due to SQL injection in CosmosDBVectorStore.doDelete() when processing crafted document IDs. A remote user can supply crafted document IDs to execute arbitrary SQL queries.
Only applications that use CosmosDBVectorStore and pass user-supplied input as document ids are vulnerable.
Affected software
Spring AI
How to mitigate CVE-2026-40978
Install security update from vendor's website.
Spring AI - addressed in versions 1.0.6, 1.1.5