CVE-2026-71236

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CVSS 3.1

8.7 high

EPSS

<1%p10

Published

Aug 5, 2026 (Aug 5, 2026)

Modified

Aug 26, 2026

Description

Grocy's API request-body parser (controllers/Api/BaseApiController.php, GetParsedAndFilteredRequestBody) purifies incoming field values with HTMLPurifier, then manually reverses HTML-entity encoding of the resulting output by replacing <, >, and & back to , and & immediately after purification.

Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (0.2%)

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