Uncontrolled Memory Allocation in Spring AI - CVE-2026-40980
Published: April 27, 2026
Vulnerability identifier: #VU128241
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-40980
CWE-ID: CWE-789
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to cause a denial of service.
The vulnerability exists due to uncontrolled memory allocation in ForkPDFLayoutTextStripper when processing a crafted PDF file. A remote user can supply a malicious PDF file to cause a denial of service.
Only applications that use ForkPDFLayoutTextStripper and pass user-supplied input to DocumentReaders are vulnerable.
Affected software
Spring AI
How to mitigate CVE-2026-40980
Install security update from vendor's website.
Spring AI - addressed in versions 1.0.6, 1.1.5