CVE•Published 2026-05-11•Modified 2026-06-01•1 article on news•6 live references•NVD data
CVE-2026-7210Python · Python
Vulnerability data via NVD (ingested)
CVSS v3.1
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
—
Weaknesses (CWE)
Description
`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.
Timeline
Published 2026-05-11
Modified 2026-06-01
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag164,941 hosts
vuln:CVE-2026-7210Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Python Python"All exposed Python Python instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Python"HTTP body or banner mentions "Python" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-7210Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-7210Censys host search filtered to this CVE id.
grep.app
CVE-2026-7210Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-7210GitHub code search for direct mentions.
Google dork
"CVE-2026-7210" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-7210 on GitHub.