CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.0/AV:L/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:N
AI Score
Confidence
High
EPSS
Percentile
26.4%
With the following crawler configuration:
from bs4 import BeautifulSoup as Soup
url = "https://example.com"
loader = RecursiveUrlLoader(
url=url, max_depth=2, extractor=lambda x: Soup(x, "html.parser").text
)
docs = loader.load()
An attacker in control of the contents of https://example.com
could place a malicious HTML file in there with links like “https://example.completely.different/my_file.html” and the crawler would proceed to download that file as well even though prevent_outside=True
.
Resolved in https://github.com/langchain-ai/langchain/pull/15559
github.com/advisories/GHSA-h9j7-5xvc-qhg5
github.com/langchain-ai/langchain/blob/bf0b3cc0b5ade1fb95a5b1b6fa260e99064c2e22/libs/community/langchain_community/document_loaders/recursive_url_loader.py#L51-L51
github.com/langchain-ai/langchain/commit/bf0b3cc0b5ade1fb95a5b1b6fa260e99064c2e22
github.com/langchain-ai/langchain/pull/15559
huntr.com/bounties/370904e7-10ac-40a4-a8d4-e2d16e1ca861
nvd.nist.gov/vuln/detail/CVE-2024-0243
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.0/AV:L/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:N
AI Score
Confidence
High
EPSS
Percentile
26.4%