CVE•Published 2026-05-10•Modified 2026-05-12•0 articles on news•5 live references•NVD data

CVE-2026-7263Php · Php

Vulnerability data via NVD (ingested)

CVSS v3.1

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS percentile

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Weaknesses (CWE)

CWE-404Improper Resource Shutdown or Release CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')

Description

In PHP versions 8.4.* before 8.4.21 and 8.5.* before 8.5.6, DOMNode::C14N() method may process the XML data incorrectly, causing a circular linked list in the data structure representing the XML document. This may cause subsequent processing of the XML document to enter infinite loop, causing denial of service in the processing application.

Timeline

Published 2026-05-10

Modified 2026-05-12

External references

NVD MITRE Exploit-DB Sploitus VulnCheck

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 tag25,056 hosts

vuln:CVE-2026-7263

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Php Php"

All exposed Php Php instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Php"

HTTP body or banner mentions "Php" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2026-7263