CVE-2026-86734

Medium

Description

Snipe-IT before 8.7.1 fails to validate the length of the note field in the POST /account/accept/{acceptance} endpoint, allowing authenticated users to submit unbounded input that reaches synchronous CommonMark rendering. Attackers can submit large note values to exhaust PHP worker CPU and cause denial of service through resource exhaustion in the markdown parsing pipeline.

SeverityMedium
CVSS6.5
Exploit probability—
ProductSnipeitapp Snipe-it
PublishedSep 8, 2026
First seenSep 8, 2026

How to fix

Affected products

ProductAffected versionsFixed in
snipeitapp snipe-itv < 8.7.18.7.1

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