CVE-2026-47851 Security Details

CVE ID

CVE-2026-47851

CWE

CWE-674

CVE Description

Analyzing a PDF with a deeply nested or cyclic table of contents can cause a StackOverflowError in the ingestion thread. Spring AI 2.0.0 Spring AI 1.1.0 - 1.1.8 Spring AI 1.0.0 - 1.0.9

Published

Aug 21, 2026

CVSS Score & Severity

8.7High

CVSS Vector

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

EPSS Score

0.460%

Malware

malware

KEV Status

Not in KEV Catalog: No known exploits

Vulnerable Methods

org/springframework/ai/reader/pdf/config/ParagraphManager.flatten(Lorg/springframework/ai/reader/pdf/config/ParagraphManager$Paragraph;Ljava/util/List;)V

JVMVulnerable params: 1

org/springframework/ai/reader/pdf/config/ParagraphManager.generateParagraphs(Lorg/springframework/ai/reader/pdf/config/ParagraphManager$Paragraph;Lorg/apache/pdfbox/pdmodel/interactive/documentnavigation/outline/PDOutlineNode;Ljava/lang/Integer;)Lorg/springframework/ai/reader/pdf/config/ParagraphManager$Paragraph;

JVMVulnerable params: 1

Affected Ecosystems

affected

Source

National Vulnerability Database

References

spring.ioPROJECT