CVE-2026-7210

Published: Mag 11, 2026 Last Modified: Mag 11, 2026
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 6,3
Attack Vector: network
Attack Complexity: high
Privileges Required: none
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A

Description

AI Translation Available

`xml.parsers.expat` and `xml.etree.ElementTree` use insufficient entropy for Expat hash-flooding protection, which allows a crafted XML document to trigger hash flooding.\r\n\r\nFully mitigating this vulnerability requires both updating libexpat to 2.8.0 or later and applying this patch.

331

Insufficient Entropy

Draft
Common Consequences
Security Scopes Affected:
Access Control Other
Potential Impacts:
Bypass Protection Mechanism Other
Applicable Platforms
All platforms may be affected
View CWE Details
http://www.openwall.com/lists/oss-security/2026/05/11/8
https://github.com/python/cpython/issues/149018
https://github.com/python/cpython/pull/149023
https://mail.python.org/archives/list/[email protected]/thread/PNY5O…