CVE-2026-8318— VectifyAI PageIndex PDF Table of Contents page_index.py toc_transformer infinite loop
Possible ATT&CK Techniques 1AI
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I. Basic Information for CVE-2026-8318
Vulnerability Information
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Vulnerability Title
VectifyAI PageIndex PDF Table of Contents page_index.py toc_transformer infinite loop
Source: NVD (National Vulnerability Database)
Vulnerability Description
A security flaw has been discovered in VectifyAI PageIndex up to f50e52975313c6716c02b20a119577a1929decba. Affected by this vulnerability is the function toc_transformer of the file pageindex/page_index.py of the component PDF Table of Contents Handler. The manipulation results in infinite loop. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. This product operates on a rolling release basis, ensuring continuous delivery. Consequently, there are no version details for either affected or updated releases.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
不可达退出条件的循环(无限循环)
Source: NVD (National Vulnerability Database)
Vulnerability Title
PageIndex 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PageIndex是Vectify AI开源的一个无需向量数据库、基于推理的检索增强生成工具。 PageIndex f50e52975313c6716c02b20a119577a1929decba及之前版本存在安全漏洞，该漏洞源于PDF Table of Contents Handler组件中pageindex/page_index.py文件的toc_transformer函数，可能导致无限循环。攻击者可远程利用此漏洞。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-8318
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- https://vuldb.com/submit/811273third-party-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-8318
IV. Related Vulnerabilities
Same weakness: CWE-835
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V. Comments for CVE-2026-8318
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