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Vulnerability record · CVE-2026-56701 · published 23 June 2026

CVE-2026-56701: XML external entity (XXE) vulnerability

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.

7.1 CVSS 4.0 High EPSS 0.40% · top 68.8% CWE-611 · XML external entity (XXE) Deferred
7.1CVSS 4.0 base score
0.40%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
23 Jun 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/getgrav/grav/security/advisories/GHSA-3446-6mgw-f79p
https://www.vulncheck.com/advisories/grav-xml-external-entity-injection-via-svg-upload
https://github.com/getgrav/grav/security/advisories/GHSA-3446-6mgw-f79p

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Source: NIST National Vulnerability Database (record CVE-2026-56701), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.