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CVE-2026-56701

MEDIUM Exploitation: PoC
6.5
CVSS 3.1
Description
Grav before 2.0.0-beta.2 contains an XML external entity injection vulnerability in SVG file upload processing that allows authenticated attackers to read arbitrary files. The application uses simplexml_load_string without disabling external entity loading, enabling attackers to inject XXE payloads via malicious SVG files to exfiltrate sensitive data.

Metadata

CVE ID
CVE-2026-56701
State
PUBLISHED
Assigner
VulnCheck
Reserved
2026-06-22 17:09 UTC
Published
2026-06-23 12:13 UTC
Last updated
2026-06-23 14:42 UTC
Primary CWE
CWE-611
Improper Restriction of XML External Entity Reference
Vendor / Product
Grav / Grav
Sources
cve.org  ·  NVD

Severity & Metrics

6.5 MEDIUM CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
SSVC — CISA Coordinator
Exploitation
PoC
Automatable
no
Tech. Impact
partial
Affected products (1)
VendorProductPlatformVersions
Grav Grav 0 < 2.0.0-beta.2, 2.0.0-beta.2
Weakness (CWE)
CWESourceDescription
CWE-611 cna Improper Restriction of XML External Entity Reference
CVSS scores (2)
ScoreSeverityVersionSourceVector
7.1 HIGH 4.0 cna CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
6.5 MEDIUM 3.1 cna CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
References (2)
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