Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-8318— VectifyAI PageIndex PDF Table of Contents page_index.py toc_transformer infinite loop

Quick assessment

Affected
VectifyAI PageIndex
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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。

CVSS 5.3 · Medium EPSS 0.64% · P49

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 1

VendorProduct Version RangeStatus
VectifyAI PageIndex f50e52975313c6716c02b20a119577a1929decba affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-8318

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
VectifyAI PageIndex PDF Table of Contents page_index.py toc_transformer infinite loop
Source: CVE Program / CVE List V5
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: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
不可达退出条件的循环(无限循环)
Source: CVE Program / CVE List V5
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

Vendor Product Affected Versions CPE Subscribe
VectifyAI PageIndex f50e52975313c6716c02b20a119577a1929decba -

II. Public POCs for CVE-2026-8318

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-8318

请登录查看更多情报信息。

Other References for CVE-2026-8318 (2)

IV. Related Vulnerabilities

Same weakness: CWE-835

V. Comments for CVE-2026-8318

No comments yet

Leave a comment