CVE-2026-7263Disclosure(php / php)

LOWCVSS 7.5 · HIGH

Signal is active with 2 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD 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.

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0.0/ 10 priority

Sources & remediation

Vendor / third-party advisories

https://github.com/php/php-src/security/advisories/GHSA-4jhr-8w89-j733

Other references

Weakness type (CWE)

CWE-404CWE-835

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

Threat summary

2 mentions across 1 observed day

What's happening

Technical details provided in 2 signals
Disclosure: 1 classified signal
General: 1 classified signal
2 total mentions across 1 day

Affected systems

Vendors

php

Products

php

Deep dive

Activity timeline2 mentions / 1d

Signal classification2 categories

Disclosure

150.0%

General

150.0%

Referenced assets2 URLs

By indicator

Full discourse2 posts

CVE@CVEnew150d
Disclosure
CVE-2026-7263 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 stru… https://www.cve.org/CVERecord?id=CVE-2026-7263
Post summary
A new PHP vulnerability (CVE-2026-7263) targets DOMNode::C14N() in PHP 8.4.* prior to 8.4.21 and 8.5.* prior to 8.5.6, potentially leading to a circular linked list when XML data is improperly processed.
00000130
57.5K followersView on X
Vulmon Vulnerability Feed@VulmonFeeds151d
General
CVE-2026-7263 Denial of Service via Circular Linked List in PHP DOMNode::C14N() Method https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-7263
Post summary
The post references CVE‑2026‑7263, highlighting a denial of service issue in PHP’s DOMNode::C14N() method, and links to a vulnerability detail page, but it provides no proof‑of‑concept, exploit code, patch information, or evidence of active exploitation.
0000061
4.0K followersView on X

CPE platform detail1 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

1 of 1 entries

Part	Vendor	Product	Version	Target SW	Target HW
App	php	php	-	-	-

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