PYSEC-2026-1570 LlamaIndex has an XML Entity Expansion vulnerability in its sitemap parser

An XML Entity Expansion vulnerability, also known as a 'billion laughs' attack, exists in the sitemap parser of the run-llama/llamaindex repository, specifically affecting the Papers Loaders package before version 0.3.2 in llama-index v0.10.0 and above through v0.12.29. This vulnerability allows ...

GHSA-P5WC-9W9R-M232 Ultimate Sitemap Parser (USP): XML Entity Expansion (Billion Laughs) DoS in XMLSitemapParser

XML Entity Expansion Billion Laughs DoS in XMLSitemapParser Summary ultimate-sitemap-parser version 1.8.0 and earlier parse attacker-controlled XML content using Python's xml.parsers.expat without any restriction on DTD declarations or recursive entity references. An attacker who can serve a...

GHSA-8823-QG2X-PV9F Ultimate Sitemap Parser (USP): Gzip Decompression Bomb Bypasses Sitemap Size Limit

Gzip Decompression Bomb Bypasses Sitemap Size Limit Summary ultimate-sitemap-parser enforces a 100 MiB size limit on sitemap responses, but applies it only to the compressed bytes received over the network. When a .gz sitemap is fetched, usp/helpers.py:239 calls gziplib.decompressdata with no...

EUVD-2025-20207

Malicious code in bioql PyPI...

GHSA-W42R-MRX7-C633 LlamaIndex has an XML Entity Expansion vulnerability in its sitemap parser

An XML Entity Expansion vulnerability, also known as a 'billion laughs' attack, exists in the sitemap parser of the run-llama/llamaindex repository, specifically affecting the Papers Loaders package before version 0.3.2 in llama-index v0.10.0 and above through v0.12.29. This vulnerability allows ...

LlamaIndex has an XML Entity Expansion vulnerability in its sitemap parser

An XML Entity Expansion vulnerability, also known as a 'billion laughs' attack, exists in the sitemap parser of the run-llama/llamaindex repository, specifically affecting the Papers Loaders package before version 0.3.2 in llama-index v0.10.0 and above through v0.12.29. This vulnerability allows ...

PYSEC-2025-250

An XML Entity Expansion vulnerability, also known as a 'billion laughs' attack, exists in the sitemap parser of the run-llama/llamaindex repository, specifically affecting version v0.12.21. This vulnerability allows an attacker to supply a malicious Sitemap XML, leading to a Denial of Service DoS...

LlamaIndex 安全漏洞

LlamaIndex is a data framework for LLM applications from the LlamaIndex open source. A security vulnerability exists in LlamaIndex version 0.12.21, which stems from an XML entity extension vulnerability in the sitemap parser that could lead to a denial of service attack...

XML Entity Expansion vulnerability in Sitemap parser

Description There is an XML entity expansion billion laughs vulnerability in the sitemap parser. When accessing a malicious Sitemap XML, this results in a Denial of Service. Vulnerable class: import urllib.request import xml.etree.ElementTree as ET from typing import List from...

LangChain < 0.2.5 DoS

The version of LangChain installed on the remote host is prior to 0.2.5. It is, therefore, affected by a Denial-of-Service DoS vulnerability in the SitemapLoader class. The parsesitemap method, responsible for parsing sitemaps and extracting URLs, lacks a mechanism to prevent infinite recursion...