SB20260828172 - Multiple vulnerabilities in Spring AI

Description

This security bulletin contains information about 2 vulnerabilities.

1) Insecure Temporary File (CVE-ID: CVE-2026-47852)

CWE-ID: CWE-377 - Insecure Temporary File

CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]

The vulnerability allows a remote attacker to tamper with model integrity.

The vulnerability exists due to improper access control in the ONNX model cache directory handling when resolving the deterministic cache path. A remote attacker can pre-create the cache path and plant a malicious ONNX model file to tamper with model integrity.

This issue is exploitable on a multi-user host.

2) Uncontrolled Recursion (CVE-ID: CVE-2026-47851)

CWE-ID: CWE-674 - Uncontrolled Recursion

CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to unbounded recursion in the PDF Document Reader outline tree processing when analyzing a PDF with a deeply nested or cyclic table of contents. A remote attacker can supply a crafted PDF to cause a denial of service.

The issue can trigger a StackOverflowError in the ingestion thread.

Remediation

Install update from vendor's website.

References

• https://spring.io/security/cve-2026-47852
• https://spring.io/security/cve-2026-47851