Back to overview

CVE-2026-45071

HIGH
8.7
CVSS 4.0
Description
Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 5.4.52, 6.4.40, 7.4.12, and 8.0.12, Crawler::addXmlContent() set DOMDocument::$validateOnParse = true before loadXML(), re-enabling external entity resolution and allowing attacker-supplied XML to expand file:// entities such as local files. This issue is fixed in versions 5.4.52, 6.4.40, 7.4.12, and 8.0.12.

Metadata

CVE ID
CVE-2026-45071
State
PUBLISHED
Assigner
GitHub_M
Reserved
2026-05-08 18:45 UTC
Published
2026-07-14 18:58 UTC
Last updated
2026-07-15 14:21 UTC
Primary CWE
CWE-611
CWE-611: Improper Restriction of XML External Entity Referen…
Vendor / Product
symfony / symfony
Sources
cve.org  ·  NVD

Severity & Metrics

8.7 HIGH CVSS 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
SSVC — CISA Coordinator
Exploitation
none
Automatable
yes
Tech. Impact
partial
Affected products (2)
VendorProductPlatformVersions
symfony dom-crawler — < 5.4.52, >= 6.0.0-BETA1, < 6.4.40, >= 7.0.0-BETA1, < 7.4.12, >= 8.0.0-BETA1, < 8.0.12
symfony symfony — < 5.4.52, >= 6.0.0-BETA1, < 6.4.40, >= 7.0.0-BETA1, < 7.4.12, >= 8.0.0-BETA1, < 8.0.12
Weakness (CWE)
CWESourceDescription
CWE-611 cna CWE-611: Improper Restriction of XML External Entity Reference
CVSS scores (1)
ScoreSeverityVersionSourceVector
8.7 HIGH 4.0 cna CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
References (6)
Back to overview