CVE-2026-86734: Uncontrolled Resource Consumption in grokability snipe-it
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.
CVSS v4.0
Score 7.1high
Affected software
grokability
snipe-it
pkg:github/grokability/snipe-itRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Snipe-IT versions prior to 8.7.1 do not validate the length of the note field in the POST /account/accept/{acceptance} endpoint. This allows authenticated users to submit unbounded input that is processed synchronously by the CommonMark markdown parser. Large note values can exhaust PHP worker CPU resources, causing denial of service through resource exhaustion in the markdown parsing pipeline.
Potential Impact
An attacker with authenticated access can cause denial of service by submitting large note values that consume excessive CPU resources during markdown parsing. This can degrade or disrupt service availability for legitimate users.
Mitigation Recommendations
Upgrade Snipe-IT to version 8.7.1 or later, where this vulnerability is fixed. Patch status is confirmed by the version boundary indicating the fix in 8.7.1. No additional mitigations are specified.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-09-08T11:31:09.013Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6aa029c1acd9273b49d8b6b9
Added to database: 09/08/2026, 15:29:05 UTC
Last enriched: 09/16/2026, 01:48:17 UTC
Last updated: 10/22/2026, 13:15:24 UTC
Views: 54
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